Year	% change from 1990
1991	-18.175929554097
1992	13.89053644589
1993	-19.2126708462777
1994	-12.2481083456736
1995	-6.61281882009249
1996	-13.2959201628495
1997	-15.4131358183637
1998	-15.4108014443237
1999	-18.2266214152425
2000	-15.0140001796301
2001	-11.6523767104223
2002	-15.0600853451111
2003	-17.2667816933359
2004	-15.8902950098592
2005	-11.4259994210094
2006	18.2769484994739
2007	73.2972422275616
2008	30.3609494791265
2009	24.3666083047264
2010	23.3743055731099
2011	24.4775679978472
2012	25.5808304225846