Year	% change from 1990
1991	1.46027301554905
1992	6.81905750816507
1993	-1.06800754871693
1994	0.325672072644423
1995	0.676591738347998
1996	0.34292831938969
1997	16.0318105381561
1998	17.7162589721684
1999	3.58211120108158
2000	1.58015146385759
2001	0.763552057433037
2002	11.1283597089661
2003	16.5379395296558
2004	19.473735498215
2005	28.3847883252208
2006	34.041382935854
2007	39.1704615481901
2008	32.0826157824061
2009	31.1881827139207
2010	42.8185761047442
2011	52.4667851315885
2012	55.9577004427099