Year current US$ 1970 360000.01430511504 1971 289999.99165535 1972 439999.997615814 1973 389999.98569488496 1974 610000.014305115 1975 509999.99046325695 1976 340000.00357627904 1977 340000.00357627904 1978 860000.014305115 1979 310000.002384186 1980 270000.010728836 1981 230000.004172325 1982 170000.00178813902 1983 79999.9982118607 1984 140000.000596046 1985 180000.00715255702 1986 360000.01430511504 1987 349999.99403953605 1988 289999.99165535 1989 569999.992847443 1990 449999.988079071 1991 430000.00715255697 1992 879999.995231628 1993 1409999.9666214 1994 680000.007152557 1995 790000.021457672 1996 1059999.9427795399 1997 800000.011920929 1998 949999.988079071 1999 949999.988079071 2000 709999.978542328 2001 939999.997615814 2002 930000.007152557 2003 1200000.04768372 2004 1220000.02861023 2005 1090000.0333786 2006 1289999.96185303 2007 1080000.04291534 2008 1100000.02384186 2009 980000.019073486 2010 1090000.0333786 2011 1259999.9904632599 2012 721964.538097382 2013 1340123.0573654198 2014 1277778.02944183 2015 1464144.58751678 2016 953408.122062683 2017 1167999.98283386 2018 1202462.1963501 2019 1855000.01907349 2020 1307000.041008 2021 1684999.9427795399 2022 1483999.96757507