Year	% change from 1990
1991	-0.812090537954857
1992	6.83796104434315
1993	-4.87959721720115
1994	-0.190457715741843
1995	1.37640969570854
1996	4.60449162779626
1997	8.43039916762924
1998	1.52454347461888
1999	0.915255133981718
2000	5.19967198948956
2001	-1.9301478692543
2002	-1.17184400102283
2003	-1.87547945084692
2004	5.92270591036144
2005	5.45361561047872
2006	9.1463790990292
2007	12.1443246245955
2008	13.9333927044114
2009	14.3434058424668
2010	19.03783583603
2011	20.2282141943903
2012	21.4185925527506