Year	% change from 1990
1991	-0.667958376191446
1992	0.166130778269014
1993	2.86619950881142
1994	6.48234069562186
1995	6.76587613565649
1996	7.8801351274282
1997	9.91858995807231
1998	16.7985320474183
1999	13.1169167811861
2000	14.6003159990203
2001	11.7835117512178
2002	16.9828807887763
2003	17.7563110222642
2004	22.823873962116
2005	19.0908534346288
2006	16.9622730486078
2007	18.9103854182394
2008	12.0449780297716
2009	9.02925795729224
2010	10.8614228419196
2011	12.7541044199188
2012	9.28192333962554