Year	Number
1993	187500
1994	203000
1995	215000
1996	287300
1997	228900
1998	488900
1999	506100
2000	599012
2001	315450
2002	165735
2003	200959
2004	210875
2005	191977
2006	209255
2007	234366
2008	196420
2009	86868