Year current US$ 1970 39024715.047845565 1971 39105744.68278279 1972 43449361.01834583 1973 58740425.101561494 1974 60634815.88141254 1975 63030391.421360455 1976 54574862.358184196 1977 51605140.56838489 1978 57725854.22324796 1979 68958653.55697702 1980 85641710.11792096 1981 85739194.47297846 1982 79870685.70136516 1983 74153211.35378364 1984 77290243.62755339 1985 82733794.11915322 1986 104368920.89635517 1987 110032287.73145929 1988 91999492.88706669 1989 92070040.1650908 1990 109272672.47654662 1991 96249256.68979187 1992 84945400.0006224 1993 112030829.0721966 1994 117635007.12503481 1995 91818026.9259094 1996 121815897.5001407 1997 82283515.93605807 1998 63842319.674025744 1999 69967360.39178768 2000 69941435.20595947 2001 72802110.89910789 2002 81829137.93245731 2003 99567888.29796964 2004 111486142.04099967 2005 133523139.39137922 2006 145807354.26343256 2007 153621432.90618765 2008 187949229.95954734 2009 200383855.28735253 2010 189652123.47797593 2011 226030077.53750852 2012 228462175.90257466 2013 270108831.9926985 2014 301248741.5241111 2015 263296442.0860796 2016 295689564.51757616 2017 321612895.93921655 2018 385528483.76586276 2019 412519329.75897574 2020 476007367.2382465 2021 527132535.22714376 2022 553203711.6816101 2023 610775572.4073975