Year	Number of
1990	90000
1991	90870
1992	91540
1993	92070
1994	92590
1995	92420
1996	94780
1997	94620
1998	95340
1999	95750
2000	96810
2001	97710
2002	96470
2003	96040
2004	95480
2005	94300
2006	95380
2007	95970