Year current US$ 1970 969999.9839067466 1971 1020000.0144541268 1972 879999.9728798863 1973 580000.0112503765 1974 1129999.9840557582 1975 2150000.0320374984 1976 2119999.9824166344 1977 1820000.0207871147 1978 1660000.0355392715 1979 359999.9938160186 1980 1180000.0295042992 1981 670000.0241398814 1982 700000.004842878 1983 639999.9838322396 1984 620000.0103563069 1985 680000.0034272672 1986 529999.9862909317 1987 450000.0048428768 1988 419999.99433755904 1989 629999.995231628 1990 599999.994039535 1991 949999.988079071 1992 1039999.9804794791 1993 4489999.97973442 1994 2850000.010803342 1995 9810000.270605087 1996 19910000.354051583 1997 3799999.9597668652 1998 4959999.94687736 1999 2610000.003129246 2000 1959999.978542327 2001 1300000.011920929 2002 800000.011920929 2003 3290000.0214576703 2004 3540000.0512599926 2005 4069999.9779462786 2006 4109999.984502799 2007 3830000.042915344 2008 3479999.9594688388 2009 3610000.014305114 2010 4010000.050067897 2011 3860000.014305114 2012 3565202.2361755306 2013 3846575.67739486 2014 4141944.050788874 2015 4531083.762645716 2016 3971560.597419738 2017 4907959.997653959 2018 5017611.920833587 2019 4395000.040531163 2020 4461000.025272371 2021 3866000.0562667893 2022 3744000.017642975