Year current US$ 1962 1500000 1963 1000000 1965 119999.997317791 1966 730000.019073486 1967 469999.998807907 1968 219999.998807907 1971 1000000 1975 1000000 1976 1000000 1977 1000000 1978 3000000 1979 2000000 1980 4000000 1981 7000000 1982 8000000 1983 7000000 1984 12000000 1985 9000000 1986 5000000 1987 4000000 1988 3000000 1989 3000000 1990 18000000 1991 6000000 1992 16000000 1993 18000000 1994 10000000 1995 23000000 1996 2000000 1997 3000000 1998 790000.021457672 1999 15770000.4577637 2000 959999.978542328 2001 4849999.90463257 2002 21170000.0762939 2003 49020000.4577637 2004 43790000.9155273 2005 54790000.9155273 2006 46580001.8310547 2007 25879999.1607666 2008 30239999.7711182 2009 47549999.237060495 2010 43029998.779296905 2011 47409999.8474121 2012 41909999.8474121 2013 36009998.3215332 2014 40290000.9155273 2015 41970001.220703095 2016 388549987.792969 2017 64040000.9155273 2018 50020000.4577637 2019 62709999.0844727 2020 62340000.1525879 2021 61560001.373291 2022 57130001.0681152