Year current US$ 1969 7210000.0847130995 1970 17999999.7243285 1971 15550000.3341585 1972 21730000.227689702 1973 25040000.4964322 1974 23719999.663531803 1975 26909999.858588003 1976 29609999.909997 1977 33940000.1987815 1978 42179999.9587238 1979 50000000.147149004 1980 48050000.1572073 1981 29010000.6461143 1982 52369999.9265373 1983 42579999.8696893 1984 59639999.7882545 1985 86109999.1202354 1986 71249999.5045364 1987 100269998.576492 1988 109880000.039935 1989 106559999.95022999 1990 117369998.52582799 1991 116799999.93741499 1992 89119999.7216463 1993 89749999.396503 1994 58969999.2854148 1995 89160000.1752377 1996 21360000.1130253 1997 45500000.115484 1998 48230000.0078976 1999 50440000.5619973 2000 37249999.828636594 2001 29309999.719262097 2002 19939999.5580316 2003 21969999.8423457 2004 21759999.8600781 2005 23540000.1592934 2006 20389999.9409914 2007 18319999.9611825 2008 18059999.7658283 2009 6980000.02652407 2010 7729999.92221594 2011 13389999.7845292 2012 6416704.4647038 2013 4827949.8117044605 2014 14314163.8240777 2015 9550715.10002017 2016 18445315.737277303 2017 13502670.2445466 2018 13884933.9857697 2019 21271558.5827827 2020 21064043.1139618 2021 15938259.9696983 2022 37767083.942890175