Year	% change from 1990
1991	41.9435163128312
1992	59.6930829666245
1993	15.3312342891742
1994	43.5152825431055
1995	12.2442847151058
1996	-2.56840390965277
1997	162.022291914572
1998	-23.5254802280773
1999	-63.5086098669703
2000	-79.6431016076771
2001	-74.2391264339688
2002	-17.1629317333752
2003	-60.9431209429159
2004	-37.3800777379573
2005	-50.839509557459
2006	4.19349580216219
2007	-51.4767360879847
2008	-68.8544697456255
2009	-46.5572303221384
2010	-63.8885202029612
2011	-44.9054029355215
2012	-43.7305484133101