Year current US$ 1961 29999.999329447703 1962 839999.973773956 1963 1960000.03814697 1964 2569999.9332428 1965 1389999.98569489 1966 1120000.00476837 1967 19999.9995529652 1968 150000.005960464 1969 7539999.96185303 1970 850000.023841858 1971 2690000.05722046 1972 1059999.9427795399 1973 2630000.1144409203 1974 5539999.96185303 1975 4039999.96185303 1976 2650000.09536743 1977 8079999.923706049 1978 5829999.92370605 1979 11689999.5803833 1980 11890000.3433228 1981 12619999.8855591 1982 16600000.381469702 1983 19319999.6948242 1984 20700000.762939498 1985 14579999.923706101 1986 19739999.7711182 1987 15229999.5422363 1988 19159999.8474121 1989 20209999.084472697 1990 80419998.1689453 1991 24440000.5340576 1992 19649999.6185303 1993 15750000 1994 18270000.4577637 1995 16959999.084472697 1996 35830001.8310547 1997 34180000.3051758 1998 34689998.626709 1999 26389999.3896484 2000 16750000 2001 16729999.5422363 2002 13159999.8474121 2003 20500000 2004 33080001.831054702 2005 34310001.373291 2006 34840000.1525879 2007 27139999.3896484 2008 27780000.6866455 2009 22159999.8474121 2010 23059999.4659424 2011 25440000.5340576 2012 33990001.6784668 2013 21430000.3051758 2014 22770000.4577637 2015 19079999.9237061 2016 18430000.3051758 2017 18239999.7711182 2018 47299999.237060495 2019 43529998.779296905 2020 171380004.882813 2021 118819999.69482401 2022 50360000.6103516