| Fiscal Year |
Number of Certifications Issued |
| 1975 |
61 |
| 1976 |
400 |
| 1977 |
426 |
| 1978 |
703 |
| 1979 |
1,029 |
| 1980 |
993 |
| 1981 |
469 |
1982 |
241 |
| 1983 |
426 |
| 1984 |
359 |
| 1985 |
456 |
| 1986 |
628 |
| 1987 |
1,069 |
| 1988 |
418 |
| 1989 |
2,053 |
| 1990 |
759 |
| 1991 |
716 |
| 1992 |
1,252 |
| 1993 |
819 |
| 1994 |
869 |
| 1995 |
1,191 |
| 1996 |
1,113 |
| 1997 |
723 |
| 1998 |
886 |
| 1999 |
1,618 |
| 2000 |
845 |
| 2001 |
1,029 |
| 2002 |
1,647 |
| 2003 |
1,885 |
| 2004 |
1,733 |
| Total |
26,816 |
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