Membership Data
| Year |
Clergy |
Churches |
Members |
| 1935 |
75 |
90 |
4,426 |
| 1937 |
- |
100 |
4,443 |
| 1940 |
- |
62 |
5,134 |
| 1941 |
- |
126 |
5,129 |
| 1944 |
- |
142 |
5,171 |
| 1947 |
- |
109 |
6,013 |
| 1950 |
273 |
125 |
6,807 |
| 1951 |
192 |
105 |
5,680 |
| 1952 |
200 |
103 |
5,760 |
| 1953 |
343 |
112 |
5,950 |
| 1954 |
217 |
113 |
5,894 |
| 1955 |
224 |
114 |
6,017 |
| 1956 |
299 |
121 |
6,092 |
| 1957 |
191 |
136 |
6,453 |
| 1958 |
247 |
150 |
6,453 |
| 1959 |
245 |
151 |
6,698 |
| 1961 |
- |
150 |
7,358 |
| 1962 |
- |
156 |
7,578 |
| 1963 |
286 |
155 |
7,578 |
| 1965 |
302 |
159 |
8,251 |
| 1966 |
245 |
159 |
8,593 |
| 1967 |
245 |
156 |
8,806 |
| 1968 |
229 |
155 |
8,954 |
| 1969 |
230 |
155 |
9,145 |
| 1971 |
235 |
151 |
9,550 |
| 1972 |
197 |
151 |
9,730 |
| 1973 |
311 |
156 |
9,877 |
| 1974 |
256 |
157 |
10,255 |
| 1975 |
280 |
158 |
10,784 |
| 1976 |
279 |
159 |
11,375 |
| 1977 |
279 |
156 |
11,384 |
| 1979 |
266 |
164 |
15,283 |
| 1981 |
211 |
167 |
16,201 |
| 1983 |
236 |
172 |
15,058 |
| 1984 |
255 |
173 |
16,382 |
| 1985 |
235 |
185 |
16,783 |
| 1986 |
227 |
183 |
16,693 |
| 1987 |
241 |
186 |
16,877 |
| 1988 |
233 |
193 |
17,081 |
| 1989 |
239 |
189 |
17,240 |
| 1990 |
486 |
189 |
17,277 |
| 1992 |
284 |
184 |
16,697 |
| 1993 |
353 |
188 |
17,986 |
| 1994 |
290 |
198 |
18,152 |
| 1995 |
315 |
200 |
18,529 |
| 1996 |
318 |
199 |
18,424 |
| 1998 |
311 |
210 |
19,577 |
| 1999 |
343 |
252 |
20,070 |
| 2000 |
342 |
229 |
20,587 |
| 2001 |
295 |
232 |
20,739 |
|