Year current US$ 1973 90000.0035762787 1974 7460000.03814697 1975 8829999.92370605 1976 7190000.05722046 1977 4400000.09536743 1978 3710000.03814697 1979 2130000.1144409203 1980 8630000.11444092 1981 11479999.5422363 1982 8159999.847412109 1983 6889999.8664856 1984 5650000.09536743 1985 6980000.01907349 1986 11659999.8474121 1987 10710000.038146999 1988 17959999.084472697 1989 18670000.0762939 1990 12310000.4196167 1991 23120000.8392334 1992 27120000.8392334 1993 25629999.1607666 1994 31500000 1995 48220001.220703095 1996 38580001.8310547 1997 25459999.084472697 1998 6210000.03814697 1999 25739999.7711182 2000 11090000.1525879 2001 16329999.923706101 2002 33290000.915527303 2003 15560000.4196167 2004 -21670000.0762939 2005 10680000.3051758 2006 18639999.3896484 2007 15670000.076293899 2008 15630000.1144409 2009 38580001.8310547 2010 41150001.5258789 2011 35290000.9155273 2012 26799999.237060502 2013 25360000.6103516 2014 19370000.8392334 2015 13760000.2288818 2016 15229999.5422363 2017 15380000.1144409 2018 8560000.4196167 2019 32110000.6103516 2020 98180000.3051758 2021 99949996.9482422 2022 33409999.847412102