By Version

• R2: 117
• R2B: 0
• R3: 21,895
• R4: 166,102
• R4B: 44,197
• R5: 35,250
• R6: 2,523

By Authority

• none: 199,155
• hl7: 74,749
• ihe: 1,358
• national: 4,399
• who: 2,630

By Realm

• none: 191,544
• au: 741
• be: 489
• br: 399
• ca: 1,641
• ch: 1,977
• cl: 661
• cr: 55
• cz: 965
• de: 3,037
• dk: 1,577
• ee: 288
• eu: 1,135
• fi: 87
• fr: 3,367
• il: 347
• in: 163
• it: 116
• jp: 174
• kr: 46
• nl: 2,403
• no: 131
• nz: 49
• pl: 134
• pt: 77
• se: 228
• stt: 116
• tw: 2,437
• uk: 21
• us: 22,349
• uv: 45,501
• other: 6