Year current US$ 1990 810000.007972121 1991 1310000.0210106398 1992 1770000.0423938 1993 1329999.99448657 1994 880000.01013279 1995 2059999.95581806 1996 2360000.04597008 1997 3100000.00521541 1998 3650000.1065432997 1999 3000000.0931322603 2000 1909999.95358288 2001 1640000.00059605 2002 3760000.03516674 2003 2530000.01050532 2004 1330000.0168383098 2005 1099999.99962747 2006 389999.995008111 2007 390000.009909272 2008 580000.005662441 2009 189999.993890524 2010 669999.9775737519 2011 720000.006258488 2012 339999.999850988 2013 389999.993145466 2014 100000.00149011599 2015 140000.004321337 2016 109999.999403954 2017 139999.998733401 2018 0 2019 0 2020 0 2021 0