Year	% change from 1990
1991	12.9510033727767
1992	11.5909356671638
1993	23.8990197379539
1994	23.9553549948291
1995	31.048926514209
1996	33.4974819956058
1997	29.4384073671847
1998	487.352202544128
1999	55.0760346526261
2000	369.60482770364
2001	46.049480468736
2002	110.799016818591
2003	270.389653412024
2004	63.4605704317561
2005	179.99003686823
2006	81.1266216887968
2007	128.642731985128
2008	120.413985016047
2009	148.995545419111
2010	103.440081615654
2011	107.617258073848
2012	111.408649739766