Year	% change from 1990
1991	6.07581324491442
1992	7.45544841269015
1993	14.1204200593118
1994	10.78199471904
1995	11.6893861873928
1996	14.0656097799878
1997	12.7837161369382
1998	332.350985855613
1999	25.7910498773542
2000	303.985103274654
2001	28.3306622874018
2002	50.6572023416285
2003	161.096997522075
2004	30.4465891542336
2005	75.1328055152062
2006	28.7295477422541
2007	31.7226474823742
2008	32.6250372522336
2009	34.2397522492013
2010	40.516883858477
2011	41.9220526970617
2012	43.3272215356465