Year current US$ 1960 3859999.89509583 1961 589999.973773956 1962 1460000.03814697 1963 1759999.9904632599 1964 -150000.005960464 1965 11760000.2288818 1966 2980000.01907349 1967 2579999.92370605 1968 2059999.94277954 1969 400000.00596046395 1970 -810000.002384186 1971 -980000.019073486 1972 4360000.1335144 1973 8560000.4196167 1974 20770000.4577637 1975 34229999.5422363 1976 22530000.6866455 1977 14470000.2670288 1978 38150001.5258789 1979 41450000.762939505 1980 62419998.1689453 1981 71019996.6430664 1982 56479999.5422363 1983 67519996.6430664 1984 47650001.5258789 1985 70760002.1362305 1986 56889999.3896484 1987 47360000.6103516 1988 51090000.1525879 1989 48259998.3215332 1990 47729999.5422363 1991 41290000.9155273 1992 50020000.4577637 1993 26360000.6103516 1994 24520000.4577637 1995 17129999.1607666 1996 19420000.0762939 1997 9170000.07629395 1998 17100000.3814697 1999 12649999.6185303 2000 12020000.4577637 2001 11260000.2288818 2002 14520000.4577637 2003 15500000 2004 48319999.6948242 2005 44889999.3896484 2006 50720001.220703095 2007 36930000.3051758 2008 47299999.237060495 2009 47220001.220703095 2010 39180000.3051758 2011 29600000.3814697 2012 26430000.3051758 2013 18959999.084472697 2014 17500000 2015 16829999.9237061 2016 32000000 2017 46860000.6103516 2018 60770000.4577637 2019 77139999.3896484 2020 179720001.220703 2021 167500000 2022 109010002.13623