| 年度 |
会員自治体数 C |
会員率
C/B |
宣言実施自治体数 B |
宣言率 B/A |
自治体総数 A |
| 1958(S.33) |
0 |
0.0% |
4 |
|
― |
| 1959(S.34) |
0 |
0.0% |
7 |
|
― |
| 1961(S.36) |
0 |
0.0% |
8 |
|
― |
| 1963(S.38) |
0 |
0.0% |
10 |
|
― |
| 1970(S.45) |
0 |
0.0% |
11 |
|
― |
| 1981(S.56) |
0 |
0.0% |
31 |
|
― |
| 1982(S.57) |
0 |
0.0% |
119 |
|
― |
| 1983(S.58) |
0 |
0.0% |
212 |
|
― |
| 1984(S.59) |
0 |
0.0% |
575 |
|
― |
| 1985(S.60) |
0 |
0.0% |
1,084 |
|
― |
| 1986(S.61) |
64 |
5.0% |
1,271 |
|
― |
| 1987(S.62) |
142 |
10.0% |
1,426 |
|
― |
| 1988(S.63) |
169 |
10.4% |
1,620 |
|
― |
| 1989(H.1) |
178 |
10.5% |
1,699 |
|
― |
| 1990(H.2) |
199 |
11.1% |
1,787 |
|
― |
| 1991(H.3) |
205 |
11.0% |
1,865 |
|
― |
| 1992(H.4) |
222 |
11.5% |
1,938 |
|
― |
| 1993(H.5) |
245 |
12.1% |
2,022 |
|
― |
| 1994(H.6) |
250 |
11.8% |
2,111 |
|
― |
| 1995(H.7) |
260 |
11.4% |
2,289 |
|
― |
| 1996(H.8) |
272 |
11.4% |
2,382 |
|
― |
| 1997(H.9) |
283 |
11.7% |
2,414 |
|
― |
| 1998(H.10) |
290 |
11.6% |
2,491 |
75.4% |
3,302 |
| 1999(H.11) |
297 |
11.8% |
2,522 |
76.4% |
3,299 |
| 2000(H.12) |
300 |
11.5% |
2,598 |
78.8% |
3,297 |
| 2001(H.13) |
316 |
12.2% |
2,600 |
79.0% |
3,293 |
| 2002(H.14) |
322 |
12.1% |
2,654 |
80.9% |
3,282 |
| 2003(H.15) |
327 |
12.4% |
2,629 |
82.1% |
3,202 |
| 2004(H.16) |
277 |
13.8% |
2,006 |
77.4% |
2,591 |
| 2005(H.17) |
197 |
15.5% |
1,268 |
67.1% |
1,891 |
| 2006(H.18) |
222 |
16.3% |
1,365 |
72.8% |
1,874 |
| 2007(H.19) |
240 |
16.6% |
1,450 |
77.8% |
1,863 |
| 2008(H.20) |
237 |
16.4% |
1,446 |
77.8% |
1.858 |
|