Year	% change from 1990
1991	41.8881779843478
1992	59.6216603946262
1993	15.3637810956633
1994	43.5066242007264
1995	12.3368064744752
1996	-2.28448132923552
1997	162.013548500237
1998	-23.1689781450928
1999	-62.6792293096329
2000	-79.0264717134886
2001	-73.8674675637525
2002	-16.5900441386611
2003	-60.4144813948706
2004	-37.0262152771603
2005	-50.4920044832018
2006	4.41192604963938
2007	-51.1434654536754
2008	-68.4914838137283
2009	-46.3976399289812
2010	-63.6858598597954
2011	-44.7432444460753
2012	-43.5708965609631