Year	constant 2015 US$
1992	10000
1993	9830000
1994	186780000
1995	124480000
1996	245150000
1997	183460000
1998	110520000
1999	110480000
2000	189030000
2001	360880000
2002	257090000
2003	149590000
2004	137350000
2005	131840000
2006	201710000
2007	151680000
2008	203580000
2009	145380000
2010	116370000