[
  {
    "key": "building",
    "count": 656287377
  },
  {
    "key": "source",
    "count": 299623433
  },
  {
    "key": "highway",
    "count": 280087725
  },
  {
    "key": "addr:housenumber",
    "count": 171973287
  },
  {
    "key": "addr:street",
    "count": 160834345
  },
  {
    "key": "addr:city",
    "count": 123283625
  },
  {
    "key": "name",
    "count": 109176151
  },
  {
    "key": "addr:postcode",
    "count": 106943837
  },
  {
    "key": "natural",
    "count": 84435807
  },
  {
    "key": "surface",
    "count": 72048796
  },
  {
    "key": "addr:country",
    "count": 50511041
  },
  {
    "key": "landuse",
    "count": 48098130
  },
  {
    "key": "power",
    "count": 44639130
  },
  {
    "key": "waterway",
    "count": 37153506
  },
  {
    "key": "building:levels",
    "count": 36426521
  },
  {
    "key": "amenity",
    "count": 30874207
  },
  {
    "key": "barrier",
    "count": 30063102
  },
  {
    "key": "source:date",
    "count": 29107386
  },
  {
    "key": "service",
    "count": 28326346
  },
  {
    "key": "addr:state",
    "count": 25331031
  }
]