- NMS (3,824)
- SF (3,709)
- NLM (3,416)
- LIN (2,713)
- WILT (2,320)
- LEIC (2,255)
- YORYM (2,004)
- SUR (1,801)
- SWYOR (1,742)
- WMID (1,605)
- WAW (1,599)
- GLO (1,451)
- BH (1,350)
- HAMP (1,340)
- PUBLIC (1,264)
- LVPL (1,231)
- BERK (1,074)
- DENO (1,016)
- NARC (942)
- KENT (931)
- SOM (897)
- SUSS (827)
- ESS (815)
- IOW (769)
- BUC (649)
- LANCUM (587)
- NMGW (586)
- OXON (542)
- DOR (538)
- HESH (532)
- NCL (492)
- CAM (381)
- DUR (312)
- CORN (242)
- FAKL (199)
- DEV (167)
- LON (165)
- SOMDOR (162)
- WREX (93)
- ASHM (82)
- PAS (53)
- GAT (46)
- BM (42)
- WMAS (41)
- CPAT (40)
- FAPJW (39)
- RAH (28)
- DYFED (24)
- FASW (14)
- FAHG (6)
- FAJN (5)
- JP (3)
- NULL
(3)
- RESEARCH (2)
- STAFFS (1)
- YMT (1)