Year	% change from 1990
1991	1.99791621751821
1992	5.26494951185119
1993	5.09244720477968
1994	9.88069871172101
1995	11.6106387760724
1996	12.0804513917356
1997	17.0425689656302
1998	21.5600448826162
1999	28.5086273527721
2000	35.7750228762729
2001	42.6521387350797
2002	43.6349202810432
2003	44.5549353644406
2004	75.7790544914233
2005	86.5103851114072
2006	90.2429229252458
2007	94.7444849363931
2008	93.5123252196545
2009	92.1841605886099
2010	102.665849178239
2011	108.776188482451
2012	114.250713335715