Year constant 2015 US$ 1965 37668400.655087106 1966 39700989.06027688 1967 32125075.082600936 1968 38518259.89806391 1969 34589354.96621911 1970 39013404.3050482 1971 51153800.0992328 1972 70689817.5281316 1973 72100465.03867374 1974 80656101.14140707 1975 108837530.11162807 1976 109427806.04683296 1977 113798077.64352214 1978 109875655.46233568 1979 136477985.94993892 1980 114332201.40137744 1981 148075417.216596 1982 201548628.0491571 1983 230212897.70170644 1984 281796302.1522314 1985 281347960.3173682 1986 293292808.3301237 1987 292967209.10567576 1988 282596218.5471909 1989 257183674.61382976 1990 229669889.3422374 1991 221729459.5715768 1992 234426365.67041427 1993 260551512.2004968 1994 47492722.87177093 1995 121479224.97841376 1996 132802788.7136953 1997 180885863.93376115 1998 234351590.8487161 1999 276602057.9879166 2000 322878306.1936581 2001 323231262.57143456 2002 348192612.63872844 2003 382632216.6040385 2004 428171611.07305837 2005 496893822.1733039 2006 617900561.6373491 2007 788881569.53793 2008 1046723079.2772161 2009 1075330881.2733562 2010 1150598828.834183 2011 1258017893.7161007 2012 1533180623.098539 2013 1643761397.870993 2014 1723574231.7768242 2015 2047385351.2546058 2016 2231982682.793952 2017 2002732931.579089 2018 2119373554.811549 2019 2796977604.519596 2020 2670803721.2003756 2021 3108431812.8884053 2022 2983826751.9106655 2023 3339009734.3689923