Year	% change from 1990
1991	0.561903729905144
1992	9.98469499161385
1993	12.3050979977303
1994	12.9037383962211
1995	16.8159660600341
1996	20.6945235144783
1997	22.9494972065449
1998	27.4203586904852
1999	30.57172203292
2000	32.6767228308572
2001	31.4473374066175
2002	32.9738078638679
2003	39.0571867302629
2004	43.9977947418561
2005	42.8756736897532
2006	56.128609542241
2007	65.5025973495454
2008	49.2888999969747
2009	48.9835108086303
2010	56.4689128437595
2011	61.531863273098
2012	66.0474243074953