Year current US$ 1970 230000.004172325 1971 329999.9926239256 1972 810000.0116974115 1973 579999.983310699 1974 570000.0021606686 1975 740000.0281631942 1976 859999.9789148573 1977 739999.9760091304 1978 559999.9800324443 1979 309999.99120831524 1980 259999.99977648258 1981 219999.99694526175 1982 250000.00186264486 1983 389999.9950081113 1984 629999.9933689834 1985 1819999.9686330562 1986 1919999.9608099512 1987 870000.0140815981 1988 990000.002086162 1989 960000.0027567144 1990 789999.982342123 1991 1319999.9872595067 1992 1680000.0052899113 1993 1170000.0017881393 1994 399999.9929219485 1995 1239999.9946355808 1996 2119999.9842792796 1997 259999.99791383726 1998 250000.00186264486 1999 2759999.9271333236 2000 189999.9994784595 2001 469999.99694526126 2002 429999.9885261055 2003 979999.991133809 2004 1430000.0537186884 2005 1059999.9763071537 2006 450000.0067055225 2007 610000.0124424695 2008 689999.9827146521 2009 420000.00178813864 2010 6679999.9326467505 2011 3050000.045448537 2012 10159999.966621403 2013 4799999.952316281 2014 3709999.9748170334 2015 3240000.054240225 2016 1269999.988377094 2017 2520000.0703334827 2018 559999.9949336047 2019 670000.0036507838 2020 5169999.934732913 2021 249999.9981373553 2022 179999.99783933169