Data quality metrics extracted from 5kcn.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": "2baa553bb40eeffe79797567d4e41714",
  "space_group_name": "P 21 21 21",
  "unit_cell": {
    "a": 65.866,
    "b": 68.427,
    "c": 128.404,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 90.0
  },
  "wavelengths": [0.97860],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [50.000,1.965],
    "number_observations_unique": 42000,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.058
      },
      {
        "type": "I/SigI",
        "value": 21.600
      },
      {
        "type": "Completeness",
        "value": 99.800
      },
      {
        "type": "Redundancy",
        "value": 6.500
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [2.000,1.970],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.171
        },
        {
          "type": "Completeness",
          "value": 99.600
        },
        {
          "type": "Redundancy",
          "value": 5.500
        }
      ]
    },
    {
      "resolution_limits": [2.040,2.000],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.145
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.900
        }
      ]
    },
    {
      "resolution_limits": [2.080,2.040],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.131
        },
        {
          "type": "Completeness",
          "value": 99.700
        },
        {
          "type": "Redundancy",
          "value": 6.400
        }
      ]
    },
    {
      "resolution_limits": [2.120,2.080],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.108
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 6.600
        }
      ]
    },
    {
      "resolution_limits": [2.170,2.120],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.091
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 6.600
        }
      ]
    },
    {
      "resolution_limits": [2.220,2.170],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.082
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 6.600
        }
      ]
    },
    {
      "resolution_limits": [2.270,2.220],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.110
        },
        {
          "type": "Completeness",
          "value": 99.700
        },
        {
          "type": "Redundancy",
          "value": 6.300
        }
      ]
    },
    {
      "resolution_limits": [2.340,2.270],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.068
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 6.600
        }
      ]
    },
    {
      "resolution_limits": [2.400,2.340],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.058
        },
        {
          "type": "Completeness",
          "value": 99.700
        },
        {
          "type": "Redundancy",
          "value": 6.600
        }
      ]
    },
    {
      "resolution_limits": [2.480,2.400],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.057
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 6.600
        }
      ]
    },
    {
      "resolution_limits": [2.570,2.480],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.054
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 6.700
        }
      ]
    },
    {
      "resolution_limits": [2.670,2.570],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.060
        },
        {
          "type": "Completeness",
          "value": 99.600
        },
        {
          "type": "Redundancy",
          "value": 6.700
        }
      ]
    },
    {
      "resolution_limits": [2.800,2.670],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.056
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.700
        }
      ]
    },
    {
      "resolution_limits": [2.940,2.800],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.049
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.700
        }
      ]
    },
    {
      "resolution_limits": [3.130,2.940],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.041
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.700
        }
      ]
    },
    {
      "resolution_limits": [3.370,3.130],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.039
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.700
        }
      ]
    },
    {
      "resolution_limits": [3.710,3.370],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.048
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.700
        }
      ]
    },
    {
      "resolution_limits": [4.240,3.710],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.053
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 6.700
        }
      ]
    },
    {
      "resolution_limits": [5.350,4.240],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.053
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 6.600
        }
      ]
    },
    {
      "resolution_limits": [50.000,5.350],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.076
        },
        {
          "type": "Completeness",
          "value": 98.700
        },
        {
          "type": "Redundancy",
          "value": 6.100
        }
      ]
    }
  ]

}

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

  Overall InnerShell OuterShell
Low resolution limit [Å] 50.000 50.000 2.040
High resolution limit [Å] 1.965 5.350 2.000
R(merge) 0.0580 0.0760 0.1450
Completeness [%] 99.8 98.7 100.0
Multiplicity 6.5 6.1 5.9

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

Resolution [Å] R(merge) Completeness [%] Multiplicity
50.000-5.350 0.0760 98.7 6.1
5.350-4.240 0.0530 99.8 6.6
4.240-3.710 0.0530 99.9 6.7
3.710-3.370 0.0480 100.0 6.7
3.370-3.130 0.0390 100.0 6.7
3.130-2.940 0.0410 100.0 6.7
2.940-2.800 0.0490 100.0 6.7
2.800-2.670 0.0560 100.0 6.7
2.670-2.570 0.0600 99.6 6.7
2.570-2.480 0.0540 99.9 6.7
2.480-2.400 0.0570 99.9 6.6
2.400-2.340 0.0580 99.7 6.6
2.340-2.270 0.0680 99.8 6.6
2.270-2.220 0.1100 99.7 6.3
2.220-2.170 0.0820 99.9 6.6
2.170-2.120 0.0910 99.9 6.6
2.120-2.080 0.1080 99.9 6.6
2.080-2.040 0.1310 99.7 6.4
2.040-2.000 0.1450 100.0 5.9
2.000-1.970 0.1710 99.6 5.5