Year	% change from 1990
1991	-12.8266836291312
1992	25.9416198002112
1993	-17.8981710594511
1994	-8.29404675430144
1995	-7.66101730456005
1996	-18.0166684745332
1997	-20.9829872207767
1998	1499.47519769076
1999	948.904346332152
2000	999.417486797419
2001	1454.40970505485
2002	1212.20483172407
2003	1807.44996222995
2004	1506.53429990496
2005	1764.72887395613
2006	1559.69963769765
2007	1649.27832157373
2008	1912.28136965149
2009	1582.15471663183
2010	1995.60408959301
2011	1995.60408959301
2012	1995.60408959301