Membership Data
| Year |
Clergy |
Churches |
Members |
| 1955 |
- |
3,484 |
187,120 |
| 1956 |
- |
3,597 |
189,517 |
| 1957 |
- |
3,718 |
208,260 |
| 1958 |
- |
3,484 |
226,797 |
| 1959 |
- |
4,020 |
239,418 |
| 1960 |
- |
4,170 |
250,000 |
| 1961 |
- |
4,333 |
273,131 |
| 1962 |
- |
4,564 |
286,908 |
| 1963 |
- |
4,777 |
308,370 |
| 1964 |
- |
4,943 |
315,568 |
| 1965 |
- |
5,141 |
330,358 |
| 1968 |
- |
5,341 |
333,672 |
| 1969 |
- |
5,384 |
359,146 |
| 1970 |
- |
5,492 |
388,920 |
| 1971 |
- |
5,676 |
416,789 |
| 1972 |
- |
5,794 |
431,179 |
| 1973 |
- |
6,059 |
472,662 |
| 1974 |
- |
6,542 |
539,262 |
| 1975 |
- |
7,117 |
560,897 |
| 1976 |
- |
7,341 |
588,362 |
| 1977 |
- |
7,438 |
554,018 |
| 1978 |
- |
7,526 |
519,218 |
| 1979 |
- |
7,545 |
526,961 |
| 1980 |
- |
7,515 |
565,309 |
| 1981 |
- |
7,590 |
588,503 |
| 1982 |
- |
7,752 |
619,188 |
| 1983 |
- |
7,921 |
649,697 |
| 1984 |
- |
8,081 |
697,660 |
| 1985 |
- |
8,220 |
730,441 |
| 1986 |
- |
8,336 |
752,404 |
| 1987 |
- |
8,547 |
773,219 |
| 1989 |
- |
9,141 |
825,570 |
| 1991 |
- |
9,347 |
858,367 |
| 1992 |
- |
9,890 |
914,079 |
| 1993 |
- |
9,985 |
926,614 |
| 1994 |
- |
10,307 |
945,990 |
| 1995 |
- |
10,541 |
966,243 |
| 1996 |
- |
10,671 |
975,829 |
| 1997 |
- |
10,883 |
974,719 |
| 1999 |
- |
11,064 |
1,040,283 |
| 2000 |
- |
11,636 |
998,166 |
| 2001 |
- |
11,706 |
989,403 |
| 2002 |
- |
11,876 |
1,022,397 |
| 2003 |
- |
12,054 |
1,041,030 |
| 2004 |
- |
12,317 |
1,029,902 |
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