Year current US$ 1962 1000000 1963 1000000 1964 1000000 1965 1450000.04768372 1966 1539999.96185303 1967 1279999.97138977 1968 750000 1969 2000000 1970 2000000 1971 2000000 1975 2000000 1976 1000000 1977 2000000 1978 2000000 1979 3000000 1981 10000000 1982 15000000 1983 11000000 1984 15000000 1985 16000000 1986 17000000 1987 16000000 1988 12000000 1989 5000000 1990 22000000 1991 16000000 1992 11000000 1993 24000000 1994 22000000 1995 26000000 1996 33000000 1997 33000000 1998 30340000.1525879 1999 29090000.1525879 2000 31629999.1607666 2001 37159999.8474121 2002 41669998.1689453 2003 43180000.3051758 2004 40680000.3051758 2005 80599998.4741211 2006 61130001.0681152 2007 66900001.525878906 2008 83849998.4741211 2009 76580001.8310547 2010 79089996.3378906 2011 63959999.0844727 2012 48970001.220703095 2013 55759998.3215332 2014 64230003.356933594 2015 152070007.32421902 2016 116180000.30517599 2017 89360000.6103516 2018 97849998.4741211 2019 106050003.05175799 2020 121569999.69482401 2021 153460006.71386698 2022 175660003.66210902