Year	% change from 1990
1991	-15.9307170224188
1992	22.8897250228308
1993	-19.5393411117041
1994	-10.6381873078943
1995	-8.26513312660555
1996	-18.4773068729156
1997	-20.9333766978704
1998	114.333945895233
1999	72.1397704585998
2000	73.9302233950458
2001	55.2718666654923
2002	58.2666372918437
2003	82.9024387650243
2004	60.0434095001603
2005	92.6350884561175
2006	63.4538967965765
2007	61.0035735627092
2008	70.6082734908021
2009	47.2023329386488
2010	62.199816963631
2011	62.199816963631
2012	62.199816963631