Year	% change from 1990
1991	-11.6716616319769
1992	11.5777089689004
1993	-9.77199868367424
1994	-6.39929479204866
1995	-0.787471737795431
1996	-7.35719200907216
1997	-7.03939566942707
1998	-1.90098991746284
1999	-1.52161068745256
2000	-3.90744550610438
2001	1.68498170817035
2002	-0.998722157458831
2003	-1.09644333986552
2004	3.89390716874316
2005	5.26965285641943
2006	23.2119206559652
2007	57.3049693781363
2008	29.6662737309936
2009	31.4184673645166
2010	31.1048942608196
2011	32.4591555889085
2012	33.8134197541353