Year	% change from 1990
1991	-16.6466069410139
1992	27.3825721103529
1993	39.025934608783
1994	64.1368736132624
1995	60.7422447356303
1996	61.3780508226232
1997	66.3253024657764
1998	64.6654037761125
1999	58.0226692343115
2000	74.134989743375
2001	-16.8004563151505
2002	-14.2624649390882
2003	-3.67511617197639
2004	4.19579687696237
2005	13.6664294386068
2006	7.21993134340855
2007	5.51293590656006
2008	6.70919328505044
2009	12.3042868505882
2010	16.557646418554
2011	17.7232228827396
2012	18.8887993469251