- 1983 to 1983 60,754
- 1984 to 1985 103,556
- 1986 to 1987 107,386
- 1988 to 1989 117,530
- 1990 to 1991 127,506
- 1992 to 1993 135,017
- 1994 to 1995 158,498
- 1996 to 1997 189,341
- 1998 to 1999 189,412
- 2000 to 2001 187,300
- 2002 to 2003 202,717
- 2004 to 2004 135,267