Year	Total
1990	57.92
1991	65.83
1992	58.09
1993	63.29
1994	52.56
1995	54.13
1996	91.03
1997	100.1
1998	62.58
1999	63.87
2000	63.83
2001	74.24
2002	75.55
2003	84.57
2004	92.16
2005	88.44
2006	87.27
2007	88.11
2008	101.6
2009	103.8