Year current US$ 1980 23438339.57160613 1981 21687036.52147736 1982 20322366.165654708 1983 21164490.083651748 1984 20400365.153262503 1985 21729106.395774823 1986 30837159.816553578 1987 37280305.73417686 1988 39376093.7185948 1989 37717206.69125816 1990 47450533.59004688 1991 46844340.153389536 1992 50519559.97448151 1993 50021157.635935955 1994 35254662.74074777 1995 44008782.81208365 1996 43744462.15387504 1997 40253837.257402465 1998 40878379.02281151 1999 42241387.89790516 2000 38783005.653388105 2001 41806066.49279999 2002 47047298.622454785 2003 60403785.89252578 2004 69991791.02131085 2005 72217599.62374625 2006 77142719.22940055 2007 85328993.21657765 2008 100119572.18622799 2009 103903926.441747 2010 101138332.52019627 2011 109060618.7557855 2012 102027264.61628704 2013 104107523.40776569 2014 118122803.52121261 2015 102320934.45746957 2016 107511637.45864476 2017 116619672.59959769 2018 121610281.14599389 2019 120635836.75999562 2020 129373797.38831905 2021 131550019.38679314 2022 119467594.82122195 2023 125122514.4772684