Year current US$ 1969 300000.011920929 1970 400000.00596046395 1971 200000.00298023198 1976 -300000.011920929 1977 -39999.9991059303 1978 750000 1979 3000000 1980 2079999.9237060498 1981 2680000.0667572 1982 1110000.01430511 1983 2759999.99046326 1984 2809999.94277954 1985 2799999.95231628 1986 3769999.98092651 1987 2349999.90463257 1988 3329999.92370605 1989 3829999.92370605 1990 11189999.5803833 1991 16590000.152587902 1992 19790000.915527303 1993 13319999.6948242 1994 14420000.076293899 1995 29389999.3896484 1996 44630001.0681152 1997 13939999.5803833 1998 12170000.076293899 1999 13819999.6948242 2000 8279999.73297119 2001 8439999.5803833 2002 33919998.1689453 2003 11600000.3814697 2004 17799999.237060502 2005 16420000.076293899 2006 39779998.779296905 2007 7230000.01907349 2008 13939999.5803833 2009 10010000.2288818 2010 12239999.7711182 2011 10130000.1144409 2012 8180000.305175779 2013 8850000.38146973 2014 7929999.82833862 2015 9869999.88555908 2016 7670000.07629395 2017 119610000.61035201 2018 39689998.626709 2019 164119995.117188 2020 24510000.2288818 2021 150820007.32421902 2022 16170000.076293899