Gloucester have been champions on 29 occasions:
1949/50, 50-51, 51/52, 53/54, 54/55, 55/56, 57/58, 61/62, 65/66, 67/68, 68/69, 74/75, 75/76, 83/84, 84/85, 85/86, 89/90, 91/92, 94/95, 96/97, 97/98, 98/99, 99/00, 00/01, 01/02, 02/03, 04/05, 05/06, 09/10.