Year	% change from 1990
1991	-0.711050216219911
1992	2.32049971610404
1993	6.00099248259873
1994	2.07500600502275
1995	7.14961458756693
1996	7.76196519997148
1997	9.18782890105898
1998	16.5275044097272
1999	11.673024833486
2000	9.38226419705199
2001	12.2266542129046
2002	15.5413775013498
2003	21.6421751629742
2004	31.1654841940437
2005	33.2318487888996
2006	20.3382311682035
2007	21.8509938869822
2008	23.6031613161928
2009	25.2255985872289
2010	25.9679510591133
2011	30.0499643507048
2012	31.6367205253514