Year	current US$
1992	9.081707136918363E-05
1993	0.06488436049596516
1994	1.2863838757084578
1995	0.9631886946625402
1996	1.9658622327692614
1997	1.251850515279166
1998	0.7244709081962286
1999	0.7291335691522037
2000	1.164799798191631
2001	2.2077828747251917
2002	1.714289746477151
2003	1.1291999263720298
2004	1.1253463045974825
2005	1.164256640796232
2006	1.8578555844486242
2007	1.5459474206517334
2008	2.295768329779324
2009	1.6109659983034903
2010	1.259798698745843