Year	% change from 1990
1991	-1.4844746511318
1992	0.481657052563444
1993	1.16701886648771
1994	2.35593123536466
1995	5.0012374588307
1996	6.53045100614922
1997	7.63369314828564
1998	9.9586879128829
1999	10.4313019970682
2000	17.3596436118568
2001	24.2851295524207
2002	22.004397738306
2003	23.2823119538523
2004	29.1673805852228
2005	30.0507358120586
2006	33.2667009347574
2007	35.3937022864432
2008	38.4883012545929
2009	41.0360386087155
2010	45.2857578007501
2011	46.7386153787576
2012	48.1914729567651