osm-labo/wiki_compare/top_keys.json

[
  {
    "key": "building",
    "count": 657147429
  },
  {
    "key": "source",
    "count": 299885925
  },
  {
    "key": "highway",
    "count": 280633683
  },
  {
    "key": "addr:housenumber",
    "count": 172160903
  },
  {
    "key": "addr:street",
    "count": 161005721
  }
]