1976   16 
1977  140 
1978  n/r 
1979  310 
1980  n/r 
1981  n/r 
1982  700 
1983  791 
1984  837 
1985  950 
1986 1018 
1987 1021 
1988 1114 
1989 1302 
1990 1424 
1991 1596 
1992 1801 
1993 2013 
1994 2396 
1995 2587 
1996 2900 
1997 3200 
1998 3580 
1999 3630 
2000 3675 
2001 3650 
2002 3825 
2003 3888 
2004 4040 
2005 4200 
2006 4400 
2007 4590 

now- 4168 
     approximately -
     new members and renewals always being processed