Year	% change from 1990
1991	-1.15017918624728
1992	-3.51199736145069
1993	-5.81125819513856
1994	-7.79370248114744
1995	-9.98486878004983
1996	-11.6083017219041
1997	-13.2291271201563
1998	-87.7902956069064
1999	-75.8486941060143
2000	-83.9913771851765
2001	-75.8977633356208
2002	-54.0423995834662
2003	-86.8150861521144
2004	-83.076236053005
2005	-71.1355590448437
2006	-69.0171669173879
2007	-56.9867904093075
2008	-30.2924183548171
2009	-73.8628126034382
2010	-77.0051633985788
2011	-77.0051633985815
2012	-77.0051633985836