Year current US$ 1960 0 1961 0 1962 0 1963 0 1964 0 1965 39999.9991059303 1967 129999.995231628 1968 50000.0007450581 1969 709999.978542328 1970 2450000.04768372 1971 1739999.96110797 1972 3900000.00596046 1973 3390000.06020069 1974 9269999.89897013 1975 13580000.363290299 1976 13339999.9868125 1977 31820000.3132224 1978 36369999.6229261 1979 42289999.4775653 1980 47689998.4981865 1981 48160000.0187755 1982 38249999.0221113 1983 30080000.555142798 1984 42839999.129995696 1985 31450000.2861023 1986 59109999.5672703 1987 56940000.9587407 1988 58449998.371303104 1989 64779998.8649786 1990 87450000.9268522 1991 46260000.0482053 1992 100440000.083297 1993 79219999.6076524 1994 76380000.0641495 1995 131090000.428259 1996 150499998.45773 1997 167330002.514645 1998 118269999.89152001 1999 76250000.0912696 2000 72939999.0402162 2001 91239998.8099933 2002 93789998.7250566 2003 140039996.355772 2004 225270002.465695 2005 218650001.399219 2006 91209999.9859929 2007 85000000.8866191 2008 224559996.183962 2009 108880002.60666 2010 83820000.3001839 2011 86850001.4655292 2012 95150000.4287809 2013 110159999.961033 2014 145730000.56296602 2015 222129999.47741598 2016 212690000.984818 2017 238690001.189709 2018 323110000.22292095 2019 140999999.731779 2020 195309999.585152 2021 171939999.181777 2022 160660001.4269352