Year	% change from 1990
1991	-15.3359431466449
1992	-10.959491405306
1993	-10.0912026897416
1994	-10.7572977574906
1995	-10.0912748861539
1996	-6.24132647858407
1999	5.8486525376841
2001	11.7330773713439
2002	17.1037151168276
2003	20.4600292055308
2004	25.8078083117806
2005	37.4276123272588
2006	47.3147947588982
2009	71.5446547751008
2010	81.352994121069
2011	87.3297052504506
2012	92.655368233727