Membership Data
| Year |
Clergy |
Churches |
Members |
| 1925 |
528 |
537 |
28,297 |
| 1929 |
504 |
527 |
29,381 |
| 1935 |
466 |
438 |
26,554 |
| 1937 |
- |
454 |
30,431 |
| 1940 |
- |
434 |
29,643 |
| 1942 |
- |
427 |
30,115 |
| 1944 |
- |
437 |
30,547 |
| 1945 |
- |
466 |
32,540 |
| 1950 |
441 |
423 |
31,137 |
| 1951 |
438 |
410 |
30,908 |
| 1953 |
432 |
406 |
30,737 |
| 1954 |
459 |
410 |
30,858 |
| 1956 |
454 |
429 |
30,644 |
| 1958 |
465 |
421 |
30,586 |
| 1959 |
465 |
412 |
- |
| 1960 |
476 |
435 |
30,966 |
| 1961 |
475 |
420 |
30,676 |
| 1962 |
- |
407 |
31,046 |
| 1963 |
498 |
- |
- |
| 1965 |
511 |
400 |
31,454 |
| 1967 |
504 |
405 |
29,838 |
| 1970 |
498 |
392 |
30,713 |
| 1973 |
492 |
381 |
31,057 |
| 1976 |
498 |
372 |
30,997 |
| 1978 |
503 |
381 |
31,324 |
| 1979 |
487 |
366 |
29,535 |
| 1980 |
532 |
364 |
29,838 |
| 1983 |
600 |
355 |
28,782 |
| 1985 |
561 |
368 |
28,830 |
| 1986 |
568 |
352 |
19,946 |
| 1988 |
560 |
251 |
19,900 |
| 1989 |
479 |
346 |
25,400 |
| 1990 |
491 |
334 |
27,590 |
| 1992 |
498 |
335 |
28,000 |
| 1993 |
487 |
328 |
27,300 |
| 1995 |
485 |
317 |
27,100 |
| 1996 |
485 |
318 |
26,522 |
| 1997 |
500 |
311 |
26,819 |
| 1998 |
420 |
305 |
25,821 |
| 1999 |
409 |
302 |
25,702 |
| 2000 |
425 |
303 |
26,264 |
| 2002 |
425 |
- |
25,277 |
|