Data quality metrics extracted from 9g0g.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": "cab6a02676079dc1666a11588e60f4ea",
  "space_group_name": "C 1 2 1",
  "unit_cell": {
    "a": 118.50,
    "b": 39.23,
    "c": 67.60,
    "alpha": 90.00,
    "beta": 94.29,
    "gamma": 90.00
  },
  "wavelengths": [1.54060],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [23.74,1.7],
    "number_observations_unique": 32367,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.053
      },
      {
        "type": "R(meas)",
        "value": 0.059
      },
      {
        "type": "I/SigI",
        "value": 18.36
      },
      {
        "type": "Completeness",
        "value": 93.9
      },
      {
        "type": "Redundancy",
        "value": 5.7
      },
      {
        "type": "CC(1/2)",
        "value": 0.999
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [1.8,1.70],
      "number_observations_unique": 4800,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.614
        },
        {
          "type": "R(meas)",
          "value": 0.679
        },
        {
          "type": "CC(1/2)",
          "value": 0.881
        }
      ]
    },
    {
      "resolution_limits": [1.9,1.80],
      "number_observations_unique": 3955,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.305
        },
        {
          "type": "R(meas)",
          "value": 0.335
        },
        {
          "type": "CC(1/2)",
          "value": 0.968
        }
      ]
    },
    {
      "resolution_limits": [2.1,1.90],
      "number_observations_unique": 5893,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.143
        },
        {
          "type": "R(meas)",
          "value": 0.157
        },
        {
          "type": "CC(1/2)",
          "value": 0.992
        }
      ]
    },
    {
      "resolution_limits": [8.0,2.10],
      "number_observations_unique": 17366,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.044
        },
        {
          "type": "R(meas)",
          "value": 0.048
        },
        {
          "type": "CC(1/2)",
          "value": 0.999
        }
      ]
    },
    {
      "resolution_limits": [14.0,8.00],
      "number_observations_unique": 285,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.035
        },
        {
          "type": "R(meas)",
          "value": 0.039
        },
        {
          "type": "CC(1/2)",
          "value": 0.999
        }
      ]
    },
    {
      "resolution_limits": [17.0,14.00],
      "number_observations_unique": 28,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.043
        },
        {
          "type": "R(meas)",
          "value": 0.056
        },
        {
          "type": "CC(1/2)",
          "value": 0.999
        }
      ]
    },
    {
      "resolution_limits": [50.0,17.00],
      "number_observations_unique": 40,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 2.386
        },
        {
          "type": "R(meas)",
          "value": 2.853
        },
        {
          "type": "CC(1/2)",
          "value": 0.73
        }
      ]
    }
  ]

}

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

  Overall InnerShell OuterShell
Low resolution limit [Å] 23.740 50.000 1.900
High resolution limit [Å] 1.700 17.000 1.800
R(merge) 0.0530 2.3860 0.3050
R(meas) 0.0590 2.8530 0.3350
CC(1/2) 0.999 0.730 0.968
Completeness [%] 93.9 - -
Multiplicity 5.7 - -

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

Resolution [Å] R(merge) R(meas) CC(1/2)
50.000-17.000 2.3860 2.8530 0.730
17.000-14.000 0.0430 0.0560 0.999
14.000-8.000 0.0350 0.0390 0.999
8.000-2.100 0.0440 0.0480 0.999
2.100-1.900 0.1430 0.1570 0.992
1.900-1.800 0.3050 0.3350 0.968
1.800-1.700 0.6140 0.6790 0.881