Year current US$ 1960 19999.9995529652 1961 259999.990463257 1962 319999.99284744303 1963 409999.99642372096 1964 280000.001192093 1965 430000.00715255697 1966 620000.004768372 1967 1429999.94754791 1968 1279999.97138977 1969 1379999.99523163 1970 2180000.0667572 1971 2539999.96185303 1972 4210000.03814697 1973 5969999.79019165 1974 5610000.1335144 1975 5659999.84741211 1976 3980000.01907349 1977 6170000.07629395 1978 10189999.5803833 1979 9060000.4196167 1980 19059999.4659424 1981 15300000.1907349 1982 15100000.3814697 1983 16420000.076293899 1984 11579999.923706101 1985 11819999.6948242 1986 13210000.038146999 1987 17479999.5422363 1988 15890000.3433228 1989 16930000.3051758 1990 19280000.6866455 1991 19120000.8392334 1992 25489999.7711182 1993 15229999.5422363 1994 14260000.2288818 1995 14529999.7329712 1996 12890000.3433228 1997 15729999.5422363 1998 17420000.0762939 1999 20979999.5422363 2000 16930000.3051758 2001 11069999.6948242 2002 20120000.8392334 2003 16229999.5422363 2004 14560000.4196167 2005 26639999.3896484 2006 25520000.4577637 2007 27510000.2288818 2008 26979999.5422363 2009 25149999.6185303 2010 23770000.4577637 2011 64540000.9155273 2012 65669998.1689453 2013 64989997.8637695 2014 80660003.6621094 2015 64949996.9482422 2016 60840000.1525879 2017 77150001.5258789 2018 80029998.7792969 2019 56659999.8474121 2020 58049999.237060495 2021 72860000.6103516 2022 91099998.4741211