Year	% change from 1990
1991	1.91969202581548
1992	7.02514642154997
1993	9.63654517194883
1994	62.9672708807252
1995	116.868929124078
1996	169.00151997063
1997	272.08057559881
1998	363.872391088786
1999	312.814416046498
2000	634.372265854186
2001	780.135047503371
2002	81.5925723873146
2003	99.5371466411394
2004	97.594123237709
2005	100.603870950033
2006	101.169999965689
2007	103.549114265422
2008	103.26021691319
2009	103.189536563357
2010	107.097885422349
2011	109.168864276573
2012	111.239843130796