Year	% change from 1990
1991	-1.0513726097173
1992	11.2583545568391
1993	-10.4211400188549
1994	-7.16177236207066
1995	-6.85418396206503
1996	-11.2141721425657
1997	-8.74671094288649
1998	-7.21524152584108
1999	12.0730557627095
2000	28.9346972660372
2001	20.9165740336856
2002	27.2574540235546
2003	33.7880088364829
2004	42.1480533003138
2005	47.7792004952933
2006	24.9771348970719
2007	38.0948092698645
2008	39.0749834667717
2009	38.8898113101352
2010	40.6390972153822
2011	42.0454881875361
2012	43.4518791596899