Year	% change from 1990
1991	-5.04731861198897
1992	-13.5646687697142
1993	-28.0757097791786
1994	-40.6940063091474
1995	-52.0504731861181
1996	-47.6340694006292
1997	-45.7413249211355
1998	-42.2712933753951
1999	-49.8422712933765
2000	-43.5331230283913
2001	-35.6466876971604
2002	-31.2302839116711
2003	-21.7637854889568
2004	-17.4286435331247
2005	-11.0410094637196
2006	-3.15457413249306
2007	-0.63091482649843
2008	5.67823343848488
2009	10.4100946372228
2010	15.4574132492105
2011	15.4574132492123
2012	15.4574132492143