Year	Total
1990	137.3
1991	135.2
1992	262.7
1993	370.1
1994	303.1
1995	245.2
1996	741.8
1997	539.3
1998	547.3
1999	645.7
2000	632
2001	602.1
2002	738.3
2003	692.1
2004	746.4
2005	861.3
2006	846
2007	825.9
2008	797.1
2009	824.9