By Version

• R2: 117
• R2B: 0
• R3: 21,809
• R4: 159,644
• R4B: 43,727
• R5: 32,799
• R6: 2,469

By Authority

• none: 191,621
• hl7: 73,897
• ihe: 1,335
• national: 4,392
• who: 1,527

By Realm

• none: 185,311
• au: 757
• be: 692
• br: 400
• ca: 1,466
• ch: 1,935
• cl: 469
• cr: 117
• cz: 893
• de: 2,453
• dk: 1,548
• ee: 256
• eu: 938
• fi: 87
• fr: 3,265
• il: 328
• in: 163
• it: 102
• jp: 174
• kr: 30
• nl: 2,251
• no: 131
• nz: 198
• pl: 245
• se: 158
• stt: 116
• tw: 1,931
• uk: 6
• us: 22,169
• uv: 44,147
• other: 6