Year	current US$
1995	220044250.48828098
1996	223723495.48339802
1997	191360610.961914
1998	200303543.09082
1999	204000000
2000	196000000
2001	210000000
2002	219000000
2003	228000000
2004	311000000
2005	326000000
2006	310007629.394531
2007	422000000
2008	452000000
2009	277000000
2015	1664250.0162124601