Year	Total
1984	28
1985	33
1986	33
1987	37
1988	47
1989	46
1990	59
1991	74
1992	96
1993	104
1994	80
1995	20840
1996	38500
1997	49760
1998	67610
1999	80420
2000	115900
2001	150400
2002	177300
