Year	% change from 1990
1991	-56.7333007389094
1992	6.72010922206951
1993	56.9746224735478
1994	90.9153805706484
1995	88.2733872678801
1996	91.2456297334945
1997	97.6605813492247
1998	90.7235039620675
1999	77.4310674058836
2000	91.3009787552005
2001	84.1987767866203
2002	78.7101832975103
2003	108.913037462063
2004	118.934900325637
2005	138.8439434333
2006	143.509865963119
2007	134.163261164359
2008	136.473160336891
2009	125.64873665858
2010	129.547152754075
2011	131.842624281616
2012	134.138095809157