Year	% change from 1990
1991	1.77896773759862
1992	8.44045054142661
1993	17.9948146509795
1994	26.3938216738173
1995	34.4511496014983
1996	42.6948815915212
1997	48.0485861488912
1998	50.356381818012
1999	54.0008017151535
2000	65.6664982921108
2001	66.3220826161969
2002	75.4329120826657
2003	80.5983048958372
2004	78.180935724439
2005	80.1419815233986
2006	85.7934539811541
2007	94.7232450403055
2008	89.9515736568924
2009	89.4150581876188
2010	99.6308341059721
2011	106.274413934645
2012	112.183429064203