Year	% change from 1990
1991	-0.30630056057197
1992	0.778758685509051
1993	-0.967574099560253
1994	0.285321070121847
1995	2.93377194454703
1996	3.20063106307276
1997	3.47504279816053
1998	2.21291665268035
1999	-12.4844751770669
2000	-17.6764794736665
2001	-20.1742136886979
2002	-21.7120103386929
2003	-22.4152428585814
2004	-22.9174079419959
2005	-23.0464737672451
2006	-24.6421738108825
2007	-24.8254506394549
2008	-27.5944916249874
2009	-28.8397502601457
2010	-30.2624953845121
2011	-30.7017916484844
2012	-32.5638330368232