Year	% change from 1990
1991	-22.8933977316831
1992	-8.73312777610075
1993	-15.1596662210531
1994	-14.6206175341757
1995	-1.92063047134418
1996	-3.50597265945062
1997	-2.31036267195653
1998	-5.1328215964466
1999	1.32120833153651
2000	-3.42781059985338
2001	12.7075337444478
2002	11.67309931433
2003	-8.55578075811807
2004	-5.43361076372418
2005	5.74518090473932
2006	157.866337487602
2007	186.667169778774
2008	361.004678942602
2009	586.284445211091
2010	262.339902539997
2011	265.963301565397
2012	269.586700590797