Membership Data
| Year |
Clergy |
Churches |
Members |
| 1952 |
36 |
50 |
50,000 |
| 1953 |
40 |
55 |
50,000 |
| 1954 |
40 |
55 |
50,000 |
| 1955 |
35 |
51 |
50,000 |
| 1956 |
40 |
51 |
50,000 |
| 1957 |
46 |
51 |
50,000 |
| 1958 |
46 |
51 |
50,000 |
| 1959 |
42 |
52 |
50,000 |
| 1960 |
43 |
52 |
50,000 |
| 1961 |
40 |
53 |
50,000 |
| 1962 |
41 |
53 |
50,000 |
| 1963 |
40 |
49 |
50,000 |
| 1964 |
43 |
45 |
50,000 |
| 1965 |
43 |
44 |
50,000 |
| 1966 |
42 |
44 |
50,000 |
| 1967 |
42 |
44 |
50,000 |
| 1968 |
46 |
44 |
50,000 |
| 1969 |
50 |
45 |
50,000 |
| 1970 |
50 |
45 |
50,000 |
| 1971 |
50 |
45 |
50,000 |
| 1972 |
49 |
45 |
50,000 |
| 1973 |
50 |
40 |
50,000 |
| 1974 |
52 |
40 |
40,000 |
| 1975 |
52 |
40 |
40,000 |
| 1976 |
42 |
40 |
40,000 |
| 1977 |
53 |
40 |
40,000 |
| 1978 |
55 |
34 |
40,000 |
| 1979 |
55 |
34 |
40,000 |
| 1980 |
57 |
34 |
40,000 |
| 1981 |
62 |
34 |
40,000 |
| 1982 |
69 |
34 |
40,000 |
| 1983 |
61 |
35 |
41,000 |
| 1984 |
67 |
34 |
60,000 |
| 1985 |
67 |
34 |
60,000 |
| 1986 |
67 |
34 |
60,000 |
| 1987 |
67 |
34 |
60,000 |
| 1988 |
67 |
34 |
60,000 |
| 1989 |
81 |
37 |
65,000 |
| 1990 |
81 |
56 |
25,000 |
| 1992 |
81 |
37 |
65,000 |
| 1993 |
81 |
37 |
65,000 |
| 1994 |
81 |
37 |
65,000 |
| 1995 |
81 |
37 |
65,000 |
| 1996 |
81 |
37 |
65,000 |
| 2001 |
16 |
22 |
1,400 |
| 2002 |
19 |
22 |
1,500 |
|