Year current US$ 1980 5169571.2643135 1981 5211829.91993334 1982 5069120.19025978 1983 4899474.44547148 1984 3570649.49533387 1985 3474953.39931488 1986 5865633.17898665 1987 5875754.25235078 1988 8856418.25424044 1989 9043935.21482497 1990 10330605.5765842 1991 9630727.90163568 1992 13967320.7639177 1993 19147488.2868714 1994 15829805.9179061 1995 18882359.9723262 1996 19388989.6960525 1997 18977657.2232315 1998 20138766.7434137 1999 26959667.5016908 2000 24875757.4499396 2001 27034496.551698 2002 30107762.3294541 2003 43711938.2394475 2004 56580256.6830314 2005 52982565.012939 2006 53662439.8125245 2007 69489841.8408486 2008 88264005.256451 2009 78103269.3033332 2010 78106655.1230988 2011 89818252.2273195 2012 84611498.8588094 2013 91792651.6518709 2014 91984675.2201148 2015 81037449.5693014 2016 83605442.9308858 2017 89088440.7625152 2018 100089770.191993 2019 101129517.304174 2020 86691315.6557824 2021 98979469.8058307