Year	Total
1984	2835
1985	25250
1986	27280
1987	29260
1988	33960
1989	38190
1990	43720
1991	42050
1992	45260
1993	46520
1994	50420
1995	53650
1996	60460
1997	86640
1998	112700
1999	121000
2000	141800
2001	156600
2002	163600