Year	% change from 1990
1991	-1.68871001139376
1992	9.44300496988304
1993	-2.58637776929699
1994	0.954362042273038
1995	3.21362166451269
1996	2.57546798821984
1997	16.5750785422339
1998	7.97507863934874
1999	2.23809119225471
2000	0.311168311918841
2001	1.10809025649212
2002	3.46461816069543
2003	1.64407998952809
2004	7.92632153552824
2005	12.2828700225652
2006	21.6761538935524
2007	29.5411620539269
2008	19.3745759529199
2009	21.9913223689915
2010	24.0877848967629
2011	25.7557443128203
2012	27.8673077089633