Year current US$ 1963 2000000 1964 2400000.09536743 1965 3400000.09536743 1966 3500000 1967 5699999.80926514 1968 5400000.09536743 1969 4199999.80926514 1970 4900000.09536743 1971 4900000.09536743 1972 7860000.1335144 1973 6880000.11444092 1974 5630000.11444092 1975 479999.989271164 1976 300000.011920929 1977 1700000.04768372 1978 3019999.98092651 1979 600000.023841858 1980 250000 1981 330000.013113022 1983 100000.00149011599 1984 389999.98569488496 1985 250000 1986 310000.002384186 1987 980000.019073486 1988 1230000.01907349 1989 1889999.98569489 1990 3990000.00953674 1991 13319999.6948242 1992 8619999.88555908 1993 8210000.038146971 1994 14260000.2288818 1995 8409999.84741211 1996 16379999.160766602 1997 14750000 1998 11659999.8474121 1999 10680000.3051758 2000 12779999.7329712 2001 10729999.5422363 2002 14850000.3814697 2003 18459999.084472697 2004 19680000.3051758 2005 22420000.0762939 2006 22909999.8474121 2007 35509998.3215332 2008 25389999.3896484 2009 19090000.1525879 2010 14979999.5422363 2011 16840000.1525879 2012 14680000.3051758 2013 16930000.3051758 2014 13399999.6185303 2015 11989999.7711182 2016 10470000.2670288 2017 11090000.1525879 2018 11350000.3814697 2019 9079999.92370605 2020 12250000 2021 12850000.3814697 2022 14729999.5422363