Year	Total
1991	113700
1992	98800
1993	83150
1994	57780
1995	97510
1996	73430
1997	52450
1998	85300
1999	100500
2000	113500
2001	119300
2002	118300
2003	133500
2004	136500
2005	133400
2006	119100
2007	134500
2008	121700
2009	122900
2010	108700