Membership Data
| Year |
Clergy |
Churches |
Members |
| 1952 |
44 |
58 |
75,000 |
| 1953 |
50 |
58 |
75,000 |
| 1954 |
51 |
60 |
75,100 |
| 1955 |
59 |
70 |
100,000 |
| 1957 |
45 |
60 |
100,000 |
| 1958 |
47 |
60 |
100,000 |
| 1959 |
49 |
61 |
100,000 |
| 1960 |
50 |
64 |
100,000 |
| 1961 |
53 |
65 |
100,000 |
| 1962 |
58 |
69 |
102,000 |
| 1965 |
68 |
69 |
104,000 |
| 1966 |
68 |
69 |
104,000 |
| 1967 |
61 |
66 |
104,500 |
| 1968 |
61 |
67 |
104,500 |
| 1969 |
64 |
67 |
104,600 |
| 1971 |
67 |
70 |
108,000 |
| 1972 |
68 |
70 |
108,400 |
| 1973 |
68 |
70 |
100,000 |
| 1974 |
68 |
70 |
100,000 |
| 1975 |
68 |
70 |
100,000 |
| 1976 |
66 |
70 |
100,000 |
| 1990 |
83 |
72 |
14,058 |
| 1991 |
84 |
72 |
17,981 |
| 1992 |
77 |
72 |
18,611 |
| 1993 |
81 |
77 |
19,101 |
| 1994 |
101 |
78 |
19,321 |
| 1995 |
98 |
78 |
12,541 |
| 1997 |
101 |
79 |
12,998 |
| 1998 |
103 |
80 |
13,327 |
| 1999 |
105 |
80 |
13,120 |
| 2000 |
108 |
80 |
13,480 |
| 2001 |
107 |
80 |
13,210 |
| 2002 |
114 |
80 |
13,425 |
| 2003 |
102 |
80 |
13,377 |
| 2004 |
101 |
80 |
13,590 |
|