Year	% change from 1990
1991	12.2637974721421
1992	17.807741969976
1993	4.62143871972829
1994	15.7980758387609
1995	14.7729918131952
1996	14.9446140861177
1997	61.188318979584
1998	27.2884543506585
1999	18.1328127312642
2000	12.3716795815558
2001	15.9267669468521
2002	23.4536348998721
2003	14.7601030224018
2004	26.0795304841959
2005	33.4742449548551
2006	49.6820139580831
2007	29.2822948204659
2008	29.1464710876954
2009	41.5065838415676
2010	41.7698820191513
2011	45.4584963268091
2012	49.1471106344668