Membership Data
| Year |
Clergy |
Churches |
Members |
| 1955 |
1,600 |
998 |
250,000 |
| 1956 |
1,100 |
1,000 |
250,000 |
| 1957 |
1,600 |
1,072 |
275,000 |
| 1958 |
2,000 |
1,300 |
275,000 |
| 1959 |
1,800 |
1,300 |
275,000 |
| 1960 |
2,500 |
1,350 |
300,000 |
| 1961 |
1,200 |
1,351 |
300,000 |
| 1962 |
- |
1,403 |
300,000 |
| 1963 |
2,000 |
1,550 |
300,000 |
| 1964 |
- |
1,500 |
300,000 |
| 1965 |
2,500 |
1,500 |
325,000 |
| 1968 |
- |
1,143 |
300,000 |
| 1970 |
- |
1,127 |
300,000 |
| 1974 |
- |
1,120 |
300,000 |
| 1976 |
- |
1,117 |
300,000 |
| 1977 |
- |
1,114 |
300,000 |
| 1979 |
- |
1,125 |
225,000 |
| 1980 |
- |
1,126 |
225,000 |
| 1982 |
- |
1,140 |
225,000 |
| 1988 |
- |
1,121 |
204,496 |
| 1989 |
1,324 |
1,126 |
210,000 |
| 1992 |
- |
1,084 |
200,000 |
| 1998 |
- |
1,200 |
200,000 |
| 2002 |
2,100 |
1,200 |
200,000 |
|