Year	% change from 1990
1991	0.0262904561690647
1992	5.93749196955051
1993	13.3875746955348
1994	3.33829491566298
1995	9.78617754557838
1996	7.39512974241283
1997	10.1459416826287
1998	23.1446943685052
1999	15.746401864448
2000	7.68274337945034
2001	16.3398150179783
2002	19.7016329733715
2003	29.5091591600496
2004	40.8356016264502
2005	51.9762318462423
2006	19.4007752719481
2007	20.9708887557893
2008	21.7649396011362
2009	21.3618851640781
2010	32.4252253961853
2011	34.6102416152224
2012	36.7952578342594