Data quality metrics extracted from 5kfn.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": "e12db370f5c830438cabac350ec310f1",
  "space_group_name": "P 61",
  "unit_cell": {
    "a": 98.47,
    "b": 98.47,
    "c": 82.00,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 120.0
  },
  "wavelengths": [1.00000],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [20.0,1.450],
    "number_observations_unique": 79637,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.048
      },
      {
        "type": "I/SigI",
        "value": 25.300
      },
      {
        "type": "Completeness",
        "value": 99.700
      },
      {
        "type": "Redundancy",
        "value": 7.5
      },
      {
        "type": "CC(1/2)",
        "value": 1.000
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [1.490,1.450],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.896
        },
        {
          "type": "I/SigI",
          "value": 2.310
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [1.530,1.490],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.686
        },
        {
          "type": "I/SigI",
          "value": 3.030
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [1.570,1.530],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.532
        },
        {
          "type": "I/SigI",
          "value": 3.860
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [1.620,1.570],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.427
        },
        {
          "type": "I/SigI",
          "value": 4.830
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [1.670,1.620],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.344
        },
        {
          "type": "I/SigI",
          "value": 6.000
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [1.730,1.670],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.269
        },
        {
          "type": "I/SigI",
          "value": 7.670
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [1.800,1.730],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.208
        },
        {
          "type": "I/SigI",
          "value": 9.820
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [1.870,1.800],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.159
        },
        {
          "type": "I/SigI",
          "value": 12.670
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [1.960,1.870],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.122
        },
        {
          "type": "I/SigI",
          "value": 16.520
        },
        {
          "type": "Completeness",
          "value": 99.800
        }
      ]
    },
    {
      "resolution_limits": [2.050,1.960],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.087
        },
        {
          "type": "I/SigI",
          "value": 22.300
        },
        {
          "type": "Completeness",
          "value": 99.800
        }
      ]
    },
    {
      "resolution_limits": [2.160,2.050],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.066
        },
        {
          "type": "I/SigI",
          "value": 29.070
        },
        {
          "type": "Completeness",
          "value": 99.700
        }
      ]
    },
    {
      "resolution_limits": [2.290,2.160],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.052
        },
        {
          "type": "I/SigI",
          "value": 35.790
        },
        {
          "type": "Completeness",
          "value": 99.700
        }
      ]
    },
    {
      "resolution_limits": [2.450,2.290],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.041
        },
        {
          "type": "I/SigI",
          "value": 42.360
        },
        {
          "type": "Completeness",
          "value": 99.600
        }
      ]
    },
    {
      "resolution_limits": [2.650,2.450],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.037
        },
        {
          "type": "I/SigI",
          "value": 47.410
        },
        {
          "type": "Completeness",
          "value": 99.400
        }
      ]
    },
    {
      "resolution_limits": [2.900,2.650],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.030
        },
        {
          "type": "I/SigI",
          "value": 57.300
        },
        {
          "type": "Completeness",
          "value": 99.500
        }
      ]
    },
    {
      "resolution_limits": [3.240,2.900],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.025
        },
        {
          "type": "I/SigI",
          "value": 68.410
        },
        {
          "type": "Completeness",
          "value": 99.300
        }
      ]
    },
    {
      "resolution_limits": [3.740,3.240],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.021
        },
        {
          "type": "I/SigI",
          "value": 82.570
        },
        {
          "type": "Completeness",
          "value": 98.900
        }
      ]
    },
    {
      "resolution_limits": [4.590,3.740],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.019
        },
        {
          "type": "I/SigI",
          "value": 91.390
        },
        {
          "type": "Completeness",
          "value": 98.700
        }
      ]
    },
    {
      "resolution_limits": [6.480,4.590],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.017
        },
        {
          "type": "I/SigI",
          "value": 93.680
        },
        {
          "type": "Completeness",
          "value": 98.200
        }
      ]
    },
    {
      "resolution_limits": [20.0,6.480],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.019
        },
        {
          "type": "I/SigI",
          "value": 96.870
        },
        {
          "type": "Completeness",
          "value": 93.600
        }
      ]
    }
  ]

}

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

  Overall InnerShell OuterShell
Low resolution limit [Å] 20.000 20.000 1.530
High resolution limit [Å] 1.450 6.480 1.490
R(merge) 0.0480 0.0190 0.6860
CC(1/2) 1.000 - -
Completeness [%] 99.7 93.6 100.0
Multiplicity 7.5 - -

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

Resolution [Å] R(merge) Completeness [%]
20.000-6.480 0.0190 93.6
6.480-4.590 0.0170 98.2
4.590-3.740 0.0190 98.7
3.740-3.240 0.0210 98.9
3.240-2.900 0.0250 99.3
2.900-2.650 0.0300 99.5
2.650-2.450 0.0370 99.4
2.450-2.290 0.0410 99.6
2.290-2.160 0.0520 99.7
2.160-2.050 0.0660 99.7
2.050-1.960 0.0870 99.8
1.960-1.870 0.1220 99.8
1.870-1.800 0.1590 100.0
1.800-1.730 0.2080 100.0
1.730-1.670 0.2690 100.0
1.670-1.620 0.3440 100.0
1.620-1.570 0.4270 100.0
1.570-1.530 0.5320 100.0
1.530-1.490 0.6860 100.0
1.490-1.450 0.8960 100.0