Year	% change from 1990
1991	0.76522961432548
1992	6.56201056053221
1993	10.7338146060097
1994	6.76589002626502
1995	6.10123690915094
1996	12.6817268863395
1997	3.68558332853677
1998	20.6103054556691
1999	1.16268854306461
2000	2.26236530474375
2001	12.9086298875785
2002	13.4642241522946
2003	16.9504721339485
2004	16.5145396656134
2005	17.9683547563292
2006	22.1207705613804
2007	24.5639917963508
2008	34.3674738031548
2009	31.8288260723363
2010	34.8906533534082
2011	36.2395598869423
2012	37.5884664204764