Year	Number of
1990	7250
1991	7394
1992	7526
1993	7635
1994	7715
1995	7773
1996	8163
1997	8551
1998	8838
1999	9001
2000	9274
2001	9644
2002	10540
2003	11070
2004	11000
2005	11470
2006	11730
2007	12220