Year	Total
1984	6278
1985	8293
1986	8907
1987	8760
1988	11210
1989	10900
1990	39450
1991	39760
1992	44350
1993	47090
1994	55200
1995	62070
1996	74600
1997	109100
1998	146400
1999	161600
2000	200700
2001	232900
2002	254000