Membership Data
| Year |
Clergy |
Churches |
Members |
| 1925 |
21 |
23 |
26,000 |
| 1929 |
24 |
25 |
26,000 |
| 1935 |
47 |
48 |
32,300 |
| 1937 |
- |
69 |
61,043 |
| 1940 |
- |
69 |
61,043 |
| 1942 |
- |
76 |
20,300 |
| 1950 |
80 |
80 |
75,000 |
| 1951 |
90 |
77 |
75,000 |
| 1952 |
85 |
77 |
75,000 |
| 1953 |
90 |
80 |
100,000 |
| 1954 |
100 |
78 |
75,000 |
| 1955 |
105 |
80 |
100,000 |
| 1956 |
120 |
80 |
110,000 |
| 1957 |
120 |
80 |
110,000 |
| 1958 |
105 |
80 |
110,000 |
| 1959 |
105 |
81 |
115,000 |
| 1960 |
120 |
81 |
110,000 |
| 1962 |
120 |
81 |
110,000 |
| 1963 |
120 |
81 |
110,000 |
| 1967 |
89 |
81 |
120,000 |
| 1969 |
101 |
84 |
100,000 |
| 1970 |
110 |
92 |
100,000 |
| 1975 |
124 |
108 |
130,000 |
| 1977 |
132 |
110 |
152,000 |
| 1984 |
180 |
120 |
280,000 |
| 1988 |
172 |
150 |
300,000 |
| 1989 |
325 |
160 |
350,000 |
| 1992 |
275 |
170 |
350,000 |
| 1993 |
350 |
178 |
350,000 |
| 1994 |
225 |
184 |
300,000 |
| 1995 |
225 |
184 |
300,000 |
| 2002 |
451 |
230 |
380,000 |
| 2003 |
450 |
226 |
390,000 |
|