Year	% change from 1990
1991	1.09281918822406
1992	1.99032015633798
1993	2.17653036823249
1994	6.22064007721519
1995	8.96505165347445
1996	9.15450788192988
1997	8.4098287603245
1998	5.11138232531183
1999	7.23037036251828
2000	7.78113153500644
2001	6.38290089532803
2002	9.02731109423387
2003	9.46028693422074
2004	9.40640972763176
2005	10.364958418068
2006	9.29139473804847
2007	12.0091183096236
2008	6.16925636320611
2009	-1.10620428661359
2010	3.50676201904314
2011	7.05855159968793
2012	13.3506592642251