Year	% change from 1990
1991	-19.3059869127844
1992	-6.63912491454244
1993	-12.2967086629554
1994	-10.0558648305499
1995	-3.35755444867664
1996	-3.69665006348276
1997	-1.56030862388905
1998	-17.0645570856529
1999	-9.00966891297978
2000	-12.0271510889735
2001	-13.4050200214865
2002	-2.45043461275515
2003	-19.4317804473093
2004	-14.6412735618713
2005	-14.4973141908389
2006	-11.5909756812189
2007	9.34837386463523
2008	38.423478855357
2009	40.2814728000781
2010	33.7167692157437
2011	35.0539369079012
2012	36.3911046000586