Year	% change from 1990
1991	4.31664380943817
1992	15.5452171650827
1993	9.97276403310712
1994	13.7376225698805
1995	15.1373200193992
1996	20.119928184408
1997	27.5985778200307
1998	32.0125388224941
1999	28.0154679736505
2000	25.2597533988753
2001	27.6605653390203
2002	28.0480676274197
2003	32.7461113270147
2004	39.8648800557567
2005	40.7799186132782
2006	45.0183553715558
2007	45.7321753765019
2008	33.4740632015751
2009	24.2244333602053
2010	24.0479455794548
2011	27.2731921645207
2012	30.4984387495865