Year	% change from 1990
1991	10.9409577340924
1992	3.36889347729459
1993	7.2781195184086
1994	-1.41332453888913
1995	-6.65438312231446
1996	-1.2890552185945
1997	-8.40419074384746
1998	-8.68307977612404
1999	-0.486562184845829
2000	13.4963651223814
2001	4.41395066507986
2002	3.451819350645
2003	10.9574473169776
2004	4.56665854136498
2005	9.23918498444245
2006	10.997117907687
2007	11.1569951678353
2008	12.1630987032974
2009	29.0627703455165
2010	51.3201225486682
2011	52.8333237741549
2012	54.3465249996415