Year	% change from 1990
1991	-0.986736819937639
1992	1.44854541539317
1993	6.92933785231218
1994	0.831337526956899
1995	8.35714721113747
1996	14.1995710106036
1997	18.9850223149754
1998	35.965875515056
1999	9.89054877557007
2000	19.741446452819
2001	26.401311713239
2002	10.7973927351475
2003	33.8246457639519
2004	23.0184240102964
2005	21.4442894953018
2006	21.8017067268587
2007	33.3366542500523
2008	29.0785385650743
2009	26.5048914013399
2010	27.9118668609982
2011	31.2138572980508
2012	34.1826943985337