Year current US$ 1983 39999.9991059303 1984 50000.0007450581 1985 19999.9995529652 1986 59999.9986588955 1987 119999.997317791 1988 209999.993443489 1989 79999.9982118607 1990 109999.999403954 1991 109999.999403954 1992 319999.99284744303 1993 639999.985694885 1994 2000000 1995 5039999.96185303 1996 4900000.09536743 1997 9810000.4196167 1998 8720000.26702881 1999 11930000.3051758 2000 13020000.4577637 2001 23489999.7711182 2002 37009998.3215332 2003 44400001.5258789 2004 47619998.9318848 2005 47750000 2006 57630001.0681152 2007 65849998.474121094 2008 80870002.746582 2009 64459999.0844727 2010 58009998.3215332 2011 59479999.5422363 2012 30629999.1607666 2013 31670000.0762939 2014 37040000.9155273 2015 25450000.762939498 2016 26389999.3896484 2017 28049999.237060502 2018 31049999.237060502 2019 23760000.2288818 2020 25940000.5340576 2021 28780000.6866455 2022 25610000.6103516