年度,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023
正会員,538,548,569,512,552,617,660,707,733,804,896,833,894,940,1059,1058,1100,1130,1136,1215,1275,1376,1344,1340,1387,1390,1395,1402,1500,1523,1529,1535,1553,1613,1636,1655,1642,1646,1676,1711
正（学生）,−,−,−,92,122,122,135,148,150,128,230,319,329,328,261,266,287,266,309,319,321,272,358,355,307,337,364,350,254,270,337,431,506,505,498,517,517,548,596,603
正会員合計,538,548,569,604,674,739,795,855,883,932,1126,1152,1223,1268,1320,1324,1387,1396,1445,1534,1596,1648,1702,1695,1694,1727,1759,1752,1754,1793,1866,1966,2059,2118,2134,2172,2159,2194,2272,2314
準会員,1635,1634,1638,1658,1599,1573,1545,1547,1575,1643,1695,1626,1583,1516,1442,1425,1401,1348,1286,1246,1211,1213,1215,1213,1224,1208,1210,1196,1164,1151,1135,1110,1105,1135,1127,1093,1034,1019,1003,968
団体会員,−,−,−,−,−,−,−,−,−,−,−,−,−,46,44,42,41,42,43,41,42,42,41,40,38,38,37,37,37,38,38,39,37,37,38,39,38,38,38,35
賛助会員,36,36,43,50,52,52,52,53,55,52,53,53,52,53,51,47,46,45,42,38,38,39,39,36,36,34,43,43,42,42,43,41,42,39,40,42,42,42,45,46
総会員数,2209,2218,2250,2312,2325,2364,2392,2455,2513,2627,2874,2831,2858,2883,2857,2838,2875,2831,2816,2859,2887,2942,2997,2984,2992,3007,3049,3028,2997,3024,3082,3156,3243,3329,3339,3346,3273,3293,3358,3363