Year	% change from 1990
1991	-11.9498128547301
1992	-10.0383156482408
1993	-15.7785701303441
1994	-15.9485006952377
1995	-12.0273898517467
1996	-9.21851149691096
1997	-2.63761789856475
1998	21.0821769435254
1999	42.5673109744114
2000	29.1129476746849
2001	86.2985724354892
2002	45.0709053752732
2003	22.2914915027329
2004	54.7151298786696
2005	19.627128010911
2006	50.0235686305222
2007	158.858923645025
2008	138.341655005489
2009	76.6435610353648
2010	57.4177646890197
2011	58.9919423359099
2012	60.5661199828001