Year current US$ 1970 99932158.0252302 1971 106027102.629147 1972 111363567.820906 1973 81962188.517923 1974 123558286.868687 1975 155894284.919192 1976 195358212.272727 1977 224178134.136363 1978 282084120.565656 1979 291821376.015152 1980 350584615.954545 1981 361900012.342424 1982 395247038.201895 1983 367496309.833071 1984 429897602.585336 1985 520819272.490105 1986 562597279.49907 1987 685716422.321003 1988 718272388.494835 1989 707075415.822188 1990 741721706.842426 1991 889128376.60712 1992 999776681.350255 1993 1005980242.90216 1994 1165718510.1572 1995 1412415879.03485 1996 1472472235.45996 1997 1445928085.70878 1998 1392087900.58471 1999 1431281023.82196 2000 1740750896.73838 2001 1555767008.17591 2002 1433789009.91233 2003 1508014303.11082 2004 1604400794.71947 2005 2012144722.07231 2006 2611182985.45723 2007 2842150981.5576 2008 3356327244.94736 2009 3029296842.73609 2010 2625642889.66368 2011 3053270991.16794 2012 3716516068.55567 2013 4349051644.1797 2014 4482099899.53312 2015 5175177018.23217 2016 6250010507.66818 2017 6775230927.19697 2018 7109735616.06899 2019 6392221557.80842 2020 5980004251.79184 2021 6971294424.37927