Year	% change from 1990
1991	0.976718697149037
1992	-3.17335249187816
1993	-2.00181446802262
1994	0.515891016547854
1995	3.3858707479961
1996	12.901864025025
1997	20.7932266852658
1998	27.172314154686
1999	35.1136271268214
2000	23.029584743785
2001	13.6205716623097
2002	30.1779856782885
2003	35.6996583451108
2004	37.9389006736081
2005	40.263360069642
2006	42.5078465253724
2007	44.8650817166126
2008	47.1554542856319
2009	50.7332600903563
2010	76.9014549831008
2011	78.6704695329318
2012	80.4394840827628