Year	% change from 1990
1991	-0.717732185118014
1992	2.37717867647871
1993	8.33143285883926
1994	0.0671331509171091
1995	4.85168157179765
1996	5.02670837058914
1997	6.3264745707994
1998	22.8911971896939
1999	12.0501972718445
2000	7.5774560299138
2001	8.32915113584698
2002	10.6701305880639
2003	18.3565245312361
2004	27.6119738902069
2005	30.5947871397091
2006	9.01531569395877
2007	10.5342107645084
2008	11.5344029004923
2009	14.662375437501
2010	19.1066055200321
2011	20.6763576961388
2012	22.2461098722456