Year current US$ 1961 19999.9995529652 1963 59999.9986588955 1964 270000.010728836 1965 150000.005960464 1966 250000 1967 189999.99761581398 1968 239999.994635582 1969 270000.010728836 1970 340000.00357627904 1971 319999.99284744303 1972 259999.990463257 1973 400000.00596046395 1974 300000.011920929 1975 400000.00596046395 1976 379999.99523162795 1977 360000.01430511504 1978 330000.013113022 1979 759999.990463257 1980 850000.023841858 1981 1830000.04291534 1982 1419999.95708466 1983 1450000.04768372 1984 550000.011920929 1985 289999.99165535 1986 189999.99761581398 1987 3299999.95231628 1988 460000.00834465 1989 140000.000596046 1990 519999.980926514 1991 11300000.1907349 1992 910000.026226044 1993 1789999.96185303 1994 910000.026226044 1995 1220000.02861023 1996 980000.019073486 1997 1120000.00476837 1998 2240000.00953674 1999 479999.989271164 2000 1529999.97138977 2001 759999.990463257 2002 1629999.99523163 2003 1470000.02861023 2004 800000.011920929 2005 709999.978542328 2006 1299999.95231628 2007 560000.002384186 2008 2109999.89509583 2009 1440000.0572204601 2010 959999.978542328 2011 10960000.038146999 2012 17950000.762939498 2013 20909999.8474121 2014 17219999.3133545 2015 24829999.9237061 2016 19569999.6948242 2017 18629999.1607666 2018 14920000.076293899 2019 16719999.3133545 2020 29329999.9237061 2021 22709999.084472697 2022 26420000.0762939