Year	% change from 1990
1991	-12.6933837283688
1992	24.3723213088436
1993	-9.86332617782041
1994	-8.9284883904034
1995	-3.87540533937487
1996	-17.7215278573864
1997	-16.5193325518475
1998	56.4619446607723
1999	28.0043739684103
2000	17.669875072651
2001	2.49341423303766
2002	14.552830389294
2003	27.9481936786048
2004	24.8792716700514
2005	40.5153966507242
2006	14.9872967228555
2007	25.5204031891417
2008	15.1794050864655
2009	3.57516279950079
2010	13.4058248099018
2011	42.6302393461668
2012	43.575901189346