Year	% change from 1990
1991	7.2680927899295
1992	17.718949819389
1993	20.5152148213501
1994	24.3120901879883
1995	29.3955314696165
1996	30.4743887867587
1997	30.171831751604
1998	47.7850019518081
1999	28.2085509841608
2000	34.4019041769574
2001	66.3766794879006
2002	53.73004606226
2003	59.227272713265
2004	58.7656815831098
2005	55.3848500217339
2006	75.91705080499
2007	71.5347386693986
2008	121.332400276958
2009	127.303886243857
2010	126.412387273122
2011	132.747384357523
2012	138.445811788868