Year current US$ 1978 79999.9982118607 1979 29999.999329447703 1980 189999.99761581398 1981 529999.971389771 1982 289999.99165535 1983 1009999.99046326 1984 639999.985694885 1985 1019999.98092651 1986 219999.998807907 1987 270000.010728836 1988 129999.995231628 1989 270000.010728836 1990 1009999.99046326 1991 1269999.98092651 1992 1360000.01430511 1993 1039999.96185303 1994 839999.973773956 1995 730000.019073486 1996 949999.988079071 1997 1080000.04291534 1998 1090000.0333786 1999 519999.980926514 2000 670000.016689301 2001 779999.971389771 2002 689999.997615814 2003 560000.002384186 2004 860000.014305115 2005 790000.021457672 2006 839999.973773956 2007 2829999.92370605 2008 1129999.99523163 2009 2019999.9809265102 2010 910000.026226044 2011 930000.007152557 2012 798043.727874756 2013 933179.259300232 2014 1048220.9920883201 2015 1250639.0810012799 2016 1086004.73403931 2017 1253000.02098083 2018 1101587.41474152 2019 1371999.97901917 2020 1215999.96089935 2021 1019000.05340576 2022 1432999.96852875