Year	% change from 1990
1991	7.17318700786473
1992	28.9991421482592
1993	0.196165349996935
1994	5.46412114470818
1995	-2.61993824469633
1996	-10.2404334195923
1997	44.7571696497684
1998	44.0163201293132
1999	2.93123493818357
2000	-13.894908669877
2001	-20.789256143435
2002	7.84835142923346
2003	3.07001121050301
2004	8.38335990576902
2005	26.2769087662421
2006	17.8401988152231
2007	22.9073303539247
2008	-8.84590270373071
2009	-16.460911994643
2010	17.0871161741505
2011	33.9911922767119
2012	34.5381849202964