Year current US$ 1963 19999.9995529652 1964 219999.998807907 1965 159999.99642372102 1966 189999.99761581398 1967 330000.013113022 1968 400000.00596046395 1969 779999.971389771 1970 1070000.05245209 1971 1710000.03814697 1972 870000.004768372 1973 2269999.98092651 1974 2769999.98092651 1975 7150000.09536743 1976 12800000.1907349 1977 4800000.19073486 1978 10319999.6948242 1979 34819999.6948242 1980 26750000 1981 25219999.3133545 1982 19280000.6866455 1983 52090000.1525879 1984 30020000.4577637 1985 29610000.6103516 1986 49790000.9155273 1987 63740001.6784668 1988 144740005.493164 1989 147809997.55859402 1990 93199996.9482422 1991 197850006.10351598 1992 128669998.168945 1993 141660003.66210902 1994 128929992.675781 1995 198429992.67578098 1996 92819999.6948242 1997 68769996.6430664 1998 52590000.1525879 1999 58590000.1525879 2000 66860000.61035161 2001 46709999.0844727 2002 17360000.6103516 2003 -6590000.15258789 2004 70889999.3896484 2005 60880001.0681152 2006 105099998.47412099 2007 57110000.6103516 2008 8789999.96185303 2009 33659999.8474121 2010 36720001.220703095 2011 81250000 2012 132070007.324219 2013 270339996.33789104 2014 45900001.5258789 2015 162720001.220703 2016 83099998.4741211 2017 80730003.3569336 2018 137990005.493164 2019 213899993.89648402 2020 137320007.32421902 2021 228520004.272461 2022 185720001.220703