Year	% change from 1990
1991	10.398625085515
1992	20.4927333099731
1993	35.3172815404382
1994	24.8619245465619
1995	54.4951694448616
1996	56.9346415043967
1997	62.2282291301663
1998	65.2992608166058
1999	62.6170095609951
2000	60.9000350402963
2001	69.8978825649497
2002	58.8410004838898
2003	73.9316881079909
2004	70.5261050207739
2005	74.378869032721
2006	69.9187398842002
2007	64.5208656621782
2008	72.6635630975622
2009	30.5584755802506
2010	22.0295005923479
2011	23.2497955982713
2012	24.4700906041948
