Data quality metrics extracted from 8gtw.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": "afc58ee9c551b5a7524aecb50b76d07a",
  "space_group_name": "P 1 21 1",
  "unit_cell": {
    "a": 51.616,
    "b": 81.708,
    "c": 89.079,
    "alpha": 90.00,
    "beta": 97.19,
    "gamma": 90.00
  },
  "wavelengths": [0.97850],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [50.000,1.850],
    "number_observations": 390051,
    "number_observations_unique": 62946,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.167
      },
      {
        "type": "R(meas)",
        "value": 0.182
      },
      {
        "type": "R(pim)",
        "value": 0.071
      },
      {
        "type": "I/SigI",
        "value": 4.200
      },
      {
        "type": "Completeness",
        "value": 99.900
      },
      {
        "type": "Redundancy",
        "value": 6.200
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [1.920,1.850],
      "number_observations_unique": 6266,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 1.362
        },
        {
          "type": "R(meas)",
          "value": 1.507
        },
        {
          "type": "R(pim)",
          "value": 0.637
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 5.500
        },
        {
          "type": "CC(1/2)",
          "value": 0.724
        }
      ]
    },
    {
      "resolution_limits": [1.990,1.920],
      "number_observations_unique": 6252,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 1.035
        },
        {
          "type": "R(meas)",
          "value": 1.139
        },
        {
          "type": "R(pim)",
          "value": 0.470
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 5.700
        },
        {
          "type": "CC(1/2)",
          "value": 0.817
        }
      ]
    },
    {
      "resolution_limits": [2.080,1.990],
      "number_observations_unique": 6259,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.854
        },
        {
          "type": "R(meas)",
          "value": 0.938
        },
        {
          "type": "R(pim)",
          "value": 0.383
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 5.800
        },
        {
          "type": "CC(1/2)",
          "value": 0.791
        }
      ]
    },
    {
      "resolution_limits": [2.190,2.080],
      "number_observations_unique": 6250,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.598
        },
        {
          "type": "R(meas)",
          "value": 0.660
        },
        {
          "type": "R(pim)",
          "value": 0.275
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 5.600
        },
        {
          "type": "CC(1/2)",
          "value": 0.843
        }
      ]
    },
    {
      "resolution_limits": [2.330,2.190],
      "number_observations_unique": 6291,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.508
        },
        {
          "type": "R(meas)",
          "value": 0.554
        },
        {
          "type": "R(pim)",
          "value": 0.220
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 6.200
        },
        {
          "type": "CC(1/2)",
          "value": 0.953
        }
      ]
    },
    {
      "resolution_limits": [2.510,2.330],
      "number_observations_unique": 6258,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.419
        },
        {
          "type": "R(meas)",
          "value": 0.456
        },
        {
          "type": "R(pim)",
          "value": 0.177
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.500
        },
        {
          "type": "CC(1/2)",
          "value": 0.974
        }
      ]
    },
    {
      "resolution_limits": [2.760,2.510],
      "number_observations_unique": 6328,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.378
        },
        {
          "type": "R(meas)",
          "value": 0.411
        },
        {
          "type": "R(pim)",
          "value": 0.161
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.500
        },
        {
          "type": "CC(1/2)",
          "value": 0.971
        }
      ]
    },
    {
      "resolution_limits": [3.160,2.760],
      "number_observations_unique": 6285,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.264
        },
        {
          "type": "R(meas)",
          "value": 0.286
        },
        {
          "type": "R(pim)",
          "value": 0.109
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.800
        },
        {
          "type": "CC(1/2)",
          "value": 0.989
        }
      ]
    },
    {
      "resolution_limits": [3.990,3.160],
      "number_observations_unique": 6347,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.148
        },
        {
          "type": "R(meas)",
          "value": 0.160
        },
        {
          "type": "R(pim)",
          "value": 0.062
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.700
        },
        {
          "type": "CC(1/2)",
          "value": 0.993
        }
      ]
    },
    {
      "resolution_limits": [50.000,3.990],
      "number_observations_unique": 6410,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.096
        },
        {
          "type": "R(meas)",
          "value": 0.104
        },
        {
          "type": "R(pim)",
          "value": 0.040
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 6.700
        },
        {
          "type": "CC(1/2)",
          "value": 0.994
        }
      ]
    }
  ]

}

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

  Overall InnerShell OuterShell
Low resolution limit [Å] 50.000 50.000 1.990
High resolution limit [Å] 1.850 3.990 1.920
R(merge) 0.1670 0.0960 1.0350
R(meas) 0.1820 0.1040 1.1390
R(pim) 0.0710 0.0400 0.4700
CC(1/2) - 0.994 0.817
Completeness [%] 99.9 99.9 99.8
Multiplicity 6.2 6.7 5.7

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

Resolution [Å] R(merge) R(meas) R(pim) CC(1/2) Completeness [%] Multiplicity
50.000-3.990 0.0960 0.1040 0.0400 0.994 99.9 6.7
3.990-3.160 0.1480 0.1600 0.0620 0.993 100.0 6.7
3.160-2.760 0.2640 0.2860 0.1090 0.989 100.0 6.8
2.760-2.510 0.3780 0.4110 0.1610 0.971 100.0 6.5
2.510-2.330 0.4190 0.4560 0.1770 0.974 100.0 6.5
2.330-2.190 0.5080 0.5540 0.2200 0.953 99.9 6.2
2.190-2.080 0.5980 0.6600 0.2750 0.843 99.8 5.6
2.080-1.990 0.8540 0.9380 0.3830 0.791 99.9 5.8
1.990-1.920 1.0350 1.1390 0.4700 0.817 99.8 5.7
1.920-1.850 1.3620 1.5070 0.6370 0.724 99.8 5.5