Year current US$ 1980 57128586.152925275 1981 52857781.36059381 1982 49536908.72185195 1983 51587296.474200375 1984 49721598.98135306 1985 52960523.30205597 1986 75162508.93015012 1987 90864922.2589166 1988 95972513.55269715 1989 91929421.82744655 1990 115656773.14165077 1991 114173995.61108766 1992 123132926.91357324 1993 121920391.49007462 1994 85929638.11489755 1995 107269237.71683417 1996 106623053.8836064 1997 98111446.71306516 1998 99636387.41751786 1999 102961488.13728602 2000 94530056.18449986 2001 101899101.19323696 2002 114673706.09165454 2003 147226037.00925776 2004 170600249.82229993 2005 176022496.568741 2006 188025488.3566597 2007 192400430.10314286 2008 256358720.63641155 2009 258791626.22524783 2010 271587627.70563734 2011 307381975.34448546 2012 323693953.994562 2013 337042842.80510676 2014 339810651.97865605 2015 267288351.5545598 2016 267996110.85246307 2017 304517256.0260627 2018 357675038.22102565 2019 352466444.79442203 2020 343723733.5715894 2021 407884635.8523017 2022 435697468.8408863 2023 473137200.54309726