Year current US$ 1960 1006138546.2804012 1961 1087345463.3866515 1962 1125119707.854406 1963 1170652923.6677868 1964 1191403817.3076923 1965 1401091346.153846 1966 1763274043.2692306 1967 1648899052.8846154 1968 1744211495.1923077 1969 1920538389.4230769 1970 1836538485.5769231 1971 1764423091.3461537 1972 2072112510.0354428 1973 3001229684.358469 1974 3700594966.317471 1975 3999161903.206636 1976 4534290870.982367 1977 4901926294.195671 1978 5881165968.720752 1979 6567433327.573975 1980 7518917338.453776 1981 7442103700.644391 1982 6786835462.0472355 1983 8032655004.870411 1984 7345458607.630348 1985 6149957466.960999 1986 6750743276.815217 1987 7950962908.542291 1988 9976564590.056139 1989 10892011690.431183 1990 10667581218.58421 1991 12426521101.102236 1992 13705718435.749617 1993 10344432226.861622 1994 12655213019.88966 1995 15372598612.187208 1996 16589245897.918543 1997 13613711676.4539 1998 11662237643.899317 1999 11264687022.064198 2000 10743147098.124708 2001 10320580483.841564 2002 11673673907.939144 2003 14377353417.533058 2004 16063928533.3812 2005 17406607089.53452 2006 20849700502.742954 2007 24579047198.344547 2008 29349358083.727577 2009 27571114480.308945 2010 35891642619.282104 2011 42984536169.197075 2012 45735507908.93004 2013 47591081510.95782 2014 41096116473.258965 2015 35605906227.26765 2016 35045517270.140686 2017 38363236613.19151 2018 41563064275.68783 2019 44217515514.72278 2020 43554459075.48149 2021 44003280723.485405 2022 43243253264.27353 2023 44137194933.3417