Year	% change from 1990
1991	11.8183605200941
1992	5.55161583924493
1993	-8.98936170212803
1994	-22.5847127659568
1995	-29.0878640661926
1996	-22.7068557919614
1997	-12.7797482269494
1998	-16.0756501182032
1999	-4.13711583924398
2000	3.7825059101662
2001	6.14657210401786
2002	8.1560283687953
2003	11.9385342789596
2004	21.0401891252968
2005	26.0047281323855
2006	38.0614657210415
2007	44.9172576832141
2008	51.4184397163134
2009	59.8108747044907
2010	68.4397163120581
2011	68.4397163120581
2012	68.4397163120569