Year	constant 2010 US$
1993	551.6350106868
1994	635.783284108688
1995	630.234576010226
1996	690.078982957872
1997	746.002065760511
1998	774.743205142143
1999	760.71650682028
2000	730.685173468181
2001	770.404914334346
2002	743.157967339844
2003	710.929216629845
2004	716.691425267478
2005	668.207624821182
2006	621.158401159069
2007	601.582559496123
2008	533.435400956785
2009	575.291679663377
2010	587.9966245182
2011	467.881488326826