- NMS (6,635)
- SF (6,255)
- NLM (3,817)
- LIN (2,946)
- YORYM (2,667)
- WILT (2,536)
- LEIC (2,385)
- WMID (2,198)
- SUR (2,015)
- SWYOR (1,985)
- WAW (1,764)
- HAMP (1,532)
- LVPL (1,522)
- GLO (1,499)
- BH (1,409)
- PUBLIC (1,369)
- KENT (1,354)
- BERK (1,276)
- NARC (1,112)
- DENO (1,111)
- SOM (972)
- SUSS (946)
- ESS (907)
- IOW (862)
- NMGW (748)
- BUC (707)
- LANCUM (684)
- HESH (669)
- OXON (615)
- DOR (569)
- NCL (551)
- CAM (478)
- DUR (355)
- SOMDOR (310)
- CORN (276)
- FAKL (220)
- DEV (207)
- LON (203)
- IARCH (168)
- WREX (102)
- PAS (89)
- ASHM (83)
- CPAT (75)
- BM (62)
- GAT (54)
- RAH (52)
- FAPJW (46)
- WMAS (42)
- JP (31)
- DYFED (29)
- FASW (20)
- FAHG (7)
- FAJN (6)
- FASAM (3)
- NULL
(3)
- RESEARCH (2)
- STAFFS (1)
- YMT (1)