Data quality metrics extracted from 4x4n.cif.gz by aB_cif2table1 from BUSTER (Global Phasing Ltd.). See also the PDBx/mmCIF dictionary.

Raw JSON data 
{
  "mxlims_type": "ReflectionSet",
  "version": "0.2.2",
  "uuid": "e3d19095becd5708f00ce2be4c98f954",
  "space_group_name": "P 1 21 1",
  "unit_cell": {
    "a": 115.416,
    "b": 84.688,
    "c": 135.565,
    "alpha": 90.00,
    "beta": 103.14,
    "gamma": 90.00
  },
  "wavelengths": [1.10000],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [30.000,2.950],
    "number_observations": 173434,
    "number_observations_unique": 53329,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.056
      },
      {
        "type": "I/SigI",
        "value": 8.100
      },
      {
        "type": "Completeness",
        "value": 99.800
      },
      {
        "type": "Redundancy",
        "value": 3.300
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [3.000,2.950],
      "number_observations_unique": 2626,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.341
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 3.300
        }
      ]
    },
    {
      "resolution_limits": [3.060,3.000],
      "number_observations_unique": 2639,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.296
        },
        {
          "type": "Completeness",
          "value": 99.600
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [3.110,3.060],
      "number_observations_unique": 2647,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.243
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 3.300
        }
      ]
    },
    {
      "resolution_limits": [3.180,3.110],
      "number_observations_unique": 2630,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.219
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 3.300
        }
      ]
    },
    {
      "resolution_limits": [3.250,3.180],
      "number_observations_unique": 2689,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.181
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.300
        }
      ]
    },
    {
      "resolution_limits": [3.320,3.250],
      "number_observations_unique": 2619,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.146
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [3.400,3.320],
      "number_observations_unique": 2678,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.127
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.400
        }
      ]
    },
    {
      "resolution_limits": [3.500,3.400],
      "number_observations_unique": 2645,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.113
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 3.300
        }
      ]
    },
    {
      "resolution_limits": [3.600,3.500],
      "number_observations_unique": 2631,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.093
        },
        {
          "type": "Completeness",
          "value": 99.700
        },
        {
          "type": "Redundancy",
          "value": 3.300
        }
      ]
    },
    {
      "resolution_limits": [3.720,3.600],
      "number_observations_unique": 2673,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.084
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [3.850,3.720],
      "number_observations_unique": 2669,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.071
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 3.300
        }
      ]
    },
    {
      "resolution_limits": [4.000,3.850],
      "number_observations_unique": 2652,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.065
        },
        {
          "type": "Completeness",
          "value": 99.700
        },
        {
          "type": "Redundancy",
          "value": 3.300
        }
      ]
    },
    {
      "resolution_limits": [4.180,4.000],
      "number_observations_unique": 2665,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.055
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.200
        }
      ]
    },
    {
      "resolution_limits": [4.400,4.180],
      "number_observations_unique": 2660,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.050
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.400
        }
      ]
    },
    {
      "resolution_limits": [4.680,4.400],
      "number_observations_unique": 2680,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.045
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 3.300
        }
      ]
    },
    {
      "resolution_limits": [5.040,4.680],
      "number_observations_unique": 2678,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.042
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 3.200
        }
      ]
    },
    {
      "resolution_limits": [5.540,5.040],
      "number_observations_unique": 2670,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.040
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 3.200
        }
      ]
    },
    {
      "resolution_limits": [6.340,5.540],
      "number_observations_unique": 2698,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.040
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 3.400
        }
      ]
    },
    {
      "resolution_limits": [7.960,6.340],
      "number_observations_unique": 2704,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.033
        },
        {
          "type": "Completeness",
          "value": 99.400
        },
        {
          "type": "Redundancy",
          "value": 3.200
        }
      ]
    },
    {
      "resolution_limits": [30.000,7.960],
      "number_observations_unique": 2776,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.025
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    }
  ]

}

Table 1 generated from MXLIMS-JSON (via JavaScript):

  Overall InnerShell OuterShell
Low resolution limit [Å] 30.000 30.000 3.060
High resolution limit [Å] 2.950 7.960 3.000
R(merge) 0.0560 0.0250 0.2960
Completeness [%] 99.8 100.0 99.6
Multiplicity 3.3 3.1 3.1

Binned data generated from MXLIMS-JSON (via JavaScript):

Resolution [Å] R(merge) Completeness [%] Multiplicity
30.000-7.960 0.0250 100.0 3.1
7.960-6.340 0.0330 99.4 3.2
6.340-5.540 0.0400 99.9 3.4
5.540-5.040 0.0400 99.9 3.2
5.040-4.680 0.0420 99.9 3.2
4.680-4.400 0.0450 99.9 3.3
4.400-4.180 0.0500 100.0 3.4
4.180-4.000 0.0550 100.0 3.2
4.000-3.850 0.0650 99.7 3.3
3.850-3.720 0.0710 99.9 3.3
3.720-3.600 0.0840 99.9 3.1
3.600-3.500 0.0930 99.7 3.3
3.500-3.400 0.1130 99.8 3.3
3.400-3.320 0.1270 100.0 3.4
3.320-3.250 0.1460 99.9 3.1
3.250-3.180 0.1810 100.0 3.3
3.180-3.110 0.2190 99.9 3.3
3.110-3.060 0.2430 99.8 3.3
3.060-3.000 0.2960 99.6 3.1
3.000-2.950 0.3410 99.9 3.3