Year	% change from 1990
1991	-6.77570533210368
1992	1.78144586023226
1993	6.621683511823
1994	4.09773327561436
1995	9.81724417007019
1996	21.9965745045265
1997	29.4034242407132
1998	24.0412063265012
1999	25.6623565652193
2000	25.1215548988977
2001	25.4763383586481
2002	20.2634369137917
2003	21.8227902103606
2004	24.643804934972
2005	24.7012102162579
2006	24.8947569843092
2007	27.1617950600089
2008	27.8986530148752
2009	28.1640348070492
2010	26.6071910309738
2011	27.8732629412835
2012	29.1393348515932