Year	% change from 1990
1991	-2.48291076078068
1992	4.97982806962254
1993	0.564513910253028
1994	1.17755050486101
1995	4.6839397418293
1996	7.72811289277737
1997	11.4143362021745
1998	17.5056839072266
1999	20.6959253450988
2000	15.5335119168211
2001	17.1305085127297
2002	31.1052917238809
2003	27.4050618664225
2004	27.5571329596586
2005	32.4609254826631
2006	46.1425716522474
2007	47.0730066305998
2008	50.7259643883515
2009	55.429163133765
2010	58.1156690752927
2011	59.6968257660456
2012	61.2779824567985