Year	% change from 1990
1991	-15.9306492737803
1992	22.8896276795848
1993	-19.5392580166522
1994	-10.6381420668229
1995	-8.26509797743333
1996	-18.477228294382
1997	-20.9332876743966
1998	114.333034396209
1999	72.139038398953
2000	73.929483721131
2001	55.2712063400627
2002	58.2659642305384
2003	82.9016609349252
2004	60.0427288827671
2005	92.6342692359313
2006	63.4532016753873
2007	61.0028888620216
2008	70.60754794416
2009	47.2017069305649
2010	62.1991271756733
2011	62.1991271756733
2012	62.1991271756733