Year	% change from 1990
1991	-2.50451180435343
1992	-1.34948988987514
1993	1.13071341755369
1994	1.70896099591176
1995	7.20341792199182
1996	9.30057824757835
1997	10.1005487827336
1998	15.7784243674266
1999	14.3884203160105
2000	20.456705093735
2001	12.5682295311407
2002	13.6076019299473
2003	16.7875953003573
2004	15.5883761187433
2005	22.8411476557033
2006	23.1777835070531
2007	27.2063644064676
2008	27.3139110898309
2009	31.9524142757173
2010	39.5351920739568
2011	40.9305439946963
2012	42.3258959154359