By Version

• R2: 117
• R2B: 0
• R3: 9,543
• R4: 147,260
• R4B: 42,813
• R5: 30,505
• R6: 1,599

By Authority

• none: 178,053
• hl7: 59,518
• ihe: 1,255
• national: 3,841
• who: 1,377

By Realm

• none: 174,490
• au: 698
• be: 441
• br: 287
• ca: 887
• ch: 1,536
• cl: 715
• cr: 78
• cz: 1,069
• de: 2,603
• dk: 1,624
• ee: 180
• eu: 1,173
• fi: 87
• fr: 1,810
• il: 319
• in: 163
• it: 127
• jp: 174
• kr: 122
• nl: 2,108
• no: 26
• nz: 49
• pl: 245
• pt: 24
• se: 29
• stt: 116
• tw: 1,131
• uk: 6
• us: 21,240
• uv: 30,451
• other: 6