Year	% change from 1990
1991	-0.333362834469131
1992	-0.647058245075771
1993	-1.3698360720221
1994	0.334346205662261
1995	5.75370485097009
1996	7.52868985455939
1997	4.90603888249697
1998	4.26094737980744
1999	3.83908113795715
2000	2.60495029058618
2001	3.4201650096862
2002	6.77346077823997
2003	12.7464574052768
2004	23.0492373956397
2005	30.5710436518473
2006	36.9482058392582
2007	42.0155175974275
2008	51.1657865494488
2009	55.6430755917436
2010	61.4951175620261
2011	66.9050820426587
2012	72.3151645278343