Year	% change from 1990
1991	3.69226388820902
1992	17.8114450321318
1993	16.990399512619
1994	21.6843722377645
1995	17.0013900112405
1996	15.2843052554172
1997	15.4858648328878
1998	23.0579506755312
1999	20.3026565255817
2000	14.6324750148381
2001	27.0375782264885
2002	16.3418658398107
2003	21.2019993114514
2004	23.0152314393861
2005	17.4713656085634
2006	24.6845549441859
2007	31.4673996408815
2008	25.7483083749175
2009	28.7878241652956
2010	35.9652970335025
2011	39.5739508811798
2012	42.8256790099776