Year	% change from 1990
1991	1.59205159353302
1992	3.80828222373657
1993	0.511260571703209
1994	6.98613045210184
1995	1.89821536152015
1996	18.0952663130969
1997	19.0838789961779
1998	33.8403141964518
1999	58.1665070006156
2000	82.8986137036269
2001	96.6519510533021
2002	123.262849825026
2003	202.42264426733
2004	233.708630855382
2005	265.233622707475
2006	327.997195144835
2007	343.944047748379
2008	345.846872026837
2009	360.325455377454
2010	377.306022208395
2011	382.079082430479
2012	386.852142652563