Legend (JHHistorical/JH_Historical_Boundaries)

06-07 (0) 07-08 (1) 08-09 (2) 10-11 (3) 11-12 (4) 12-13 (5) 13-14 (6) 15-18 (7) 18-19 (8) 19-20 (9) 19-20 minor change (10)