By Version

• R2: 117
• R2B: 0
• R3: 21,784
• R4: 158,521
• R4B: 43,719
• R5: 32,531
• R6: 2,268

By Authority

• none: 189,615
• hl7: 74,949
• ihe: 1,324
• national: 3,913
• who: 1,346

By Realm

• none: 183,567
• at: 18
• au: 732
• be: 626
• br: 400
• ca: 1,459
• ch: 1,775
• cl: 559
• cr: 117
• cz: 859
• de: 2,090
• dk: 1,497
• ee: 260
• eu: 970
• fi: 91
• fr: 3,336
• il: 328
• in: 163
• it: 116
• jp: 174
• kr: 30
• nl: 2,246
• no: 125
• nz: 270
• pl: 258
• pt: 50
• se: 161
• stt: 116
• tw: 1,414
• uk: 6
• us: 23,092
• uv: 44,098
• vn: 108
• other: 6