Year current US$ 1970 1099999.9716877933 1971 750000.0055879351 1972 13730000.341311144 1973 9059999.696910383 1974 3050000.071525571 1975 2349999.936297535 1976 5940000.144764785 1977 4749999.959021807 1978 8309999.927878372 1979 12360000.051558018 1980 79289998.90759589 1981 75030001.31435701 1982 68249998.27519064 1983 85899998.62387773 1984 99839998.48738314 1985 148169997.7070093 1986 118260001.07079741 1987 100960002.71663065 1988 78740000.13805926 1989 54949999.3100763 1990 52519999.01980158 1991 131010000.76904884 1992 63560000.11041766 1993 72670000.01668927 1994 49530000.351369366 1995 38630000.8147955 1996 42659999.847412124 1997 39060000.36001207 1998 36450000.137090705 1999 35650000.29280782 2000 35089999.46713447 2001 36260000.3555417 2002 46690000.78737737 2003 37849999.83012676 2004 31489999.890327416 2005 10700000.047683718 2006 8499999.999999998 2007 8440000.064671036 2008 13179999.947547918 2009 24689999.699592587 2010 94529997.45309353 2011 15069999.694824219 2012 29398300.230503075 2013 7935046.073049307 2014 14539099.786430594 2015 17557150.840759277 2016 39597551.345825225 2017 44511379.83798983 2018 36633186.81716919 2019 28429964.371724043 2020 27988835.98577232 2021 57335310.533642784 2022 71231700.01804833