Year	% change from 1990
1991	2.01192094465406
1992	3.50402244334973
1993	-2.78062323794163
1994	-6.10204401539826
1995	-0.623597355217764
1996	5.17949621923215
1997	13.2496015269248
1998	67.7154114411164
1999	48.7491883980896
2000	50.6883828250288
2001	20.666190941808
2002	47.796388727284
2003	47.4127282402434
2004	73.2920818281197
2005	52.6450743719235
2006	54.4193346115271
2007	50.8201770366592
2008	59.4034584198441
2009	83.4910339127171
2010	101.339110644335
2011	103.576890431834
2012	105.720278304499