Year current USD 1960 454719432.137141 1961 551530519.833364 1962 603866851.7301 1963 637373073.270509 1964 735383641.366547 1965 749993912.3870751 1966 770691796.3328221 1967 883921396.74191 1968 905836803.272701 1969 1017240119.80422 1970 1079942532.93399 1971 1249389090.08885 1972 1522236183.49229 1973 1917119276.0352201 1974 2285358296.30965 1975 2814545010.93577 1976 2898055460.62995 1977 3704801156.51573 1978 4226968876.2679596 1979 5038015817.1286 1980 5269306825.3363 1981 4527100426.576699 1982 4829535607.29229 1983 4256634366.67567 1984 3977294579.81924 1985 3884181821.8008304 1986 5351016847.00972 1987 6542917224.65604 1988 6728811707.4389 1989 6399237698.5896 1990 7420849635.78912 1991 7246192325.00961 1992 7904561273.35182 1993 7054868961.85133 1994 7137373800.973029 1995 8011539559.49845 1996 7829004727.937711 1997 6839136798.54718 1998 6836084823.129621 1999 7026433290.32725 2000 5971807628.524051 2001 6200391942.80141 2002 6728153969.224979 2003 8356338470.081281 2004 9377114724.37963 2005 9566980052.728449 2006 10217765740.3144 2007 11480377423.566801 2008 12374848939.8323 2009 12131812075.6887 2010 11220523280.069399 2011 11647934608.0864 2012 10364720786.7464 2013 10226260324.8451 2014 10332602877.9244 2015 8667849617.38938 2016 9115240931.64471 2017 9580685498.216301 2018 11114927469.5183 2019 12000671742.0511 2020 13085717542.4598 2021 13941579943.2356 2022 15606620276.4899