Year	Percent
1990	-0.6193
1991	0.47473
1992	1.49415
1993	0.03341
1994	-0.03433
1995	7.67922
1996	2.59725
1997	2.39434
1998	1.55279
1999	-3.18182
2000	3.78813
2001	4.29973
2002	-2.06638
2003	8.7901
2004	87.58873
2005	171.63713
2006	219.83208
2007	185.79965
2008	180.03198
2009	-71.48394
2010	38.10047
2011	-46.02079
2012	-89.65214
2013	-86.4534
2014	-77.54732
2015	-65.55836
2016	-59.35714
2017	-54.86333