Year	% change from 1990
1991	-0.563576635299179
1992	-1.03025763856447
1993	0.252373572210729
1994	-8.3765285162362
1995	-4.03006730785868
1996	-1.24036296312774
1997	0.57865478212078
1998	17.3151505713629
1999	-4.84156822614255
2000	9.08594296505578
2001	19.9847241069906
2002	11.8711980205607
2003	22.70867784427
2004	16.9058159625666
2005	19.1408422504505
2006	19.1045063884378
2007	40.6064381215101
2008	37.4368139134218
2009	32.935369130337
2010	26.140810116695
2011	27.4022182178619
2012	28.6636263190289