Year	% change from 1990
1991	2.68863693949861
1992	5.30045568072586
1993	8.13709836349084
1994	12.5390626571053
1995	16.7029307550304
1996	19.8741951182236
1997	23.1488221879914
1998	27.6078973934097
1999	32.3259826495441
2000	37.6119595075591
2001	42.3927863287739
2002	49.8276617907891
2003	55.2025225326678
2004	61.1762434694477
2005	67.5308378814265
2006	75.1672102928342
2007	82.4834398465245
2008	90.0864305277933
2009	97.8868962632572
2010	106.252840463483
2011	108.315368868118
2012	110.377897272753