Year	% change from 1990
1991	10.7467899019118
1992	11.5370713751043
1993	0.753509381854434
1994	9.50808705200883
1995	4.06159257285037
1996	3.60946570047715
1997	48.3024917962994
1998	8.55334850901772
1999	2.97106612862126
2000	-0.615302595473333
2001	3.78105851836028
2002	13.7943985358511
2003	9.88364027605233
2004	21.2687003172087
2005	29.524300589645
2006	47.022570996743
2007	32.953932987255
2008	38.8878580515394
2009	47.6099405299957
2010	47.0034447530737
2011	50.9127287710868
2012	54.8220886366683