Year	Number of
1990	92870
1991	118800
1992	290900
1993	403300
1994	546800
1995	579300
1996	623400
1997	670900
1998	650000
1999	709300
2000	707400
2001	717300
2002	782800
2003	819300
2004	853000
2005	803500
2006	861800