Year	constant 2015 US$
1970	2146602436.0341115
1971	2330553328.483452
1972	2442954924.8650475
1973	2527277218.4157557
1974	2553178654.293218
1975	2793761221.3768835
1976	2943324506.86234
1977	3201121401.715585
1978	3416272506.547515
1979	3458864866.2808127
1980	3274921914.3024497
1981	3912660233.870832
1982	4288330848.1927752
1983	4541955987.982006
1984	4919419553.881251
1985	4812603536.227003
1986	4886191537.844443
1987	4993204185.200711
1988	5165448807.272253
1989	5187552097.846682
1990	4734163583.020614
1991	3598266316.743756
1992	3226821931.651979
1993	2493097972.1310678
1994	2370451159.8422513
1995	2467759966.181411
1996	2898775539.2180724
1997	2966468961.4879007
1998	2547778635.7661033
1999	2843937358.1966014
2000	3103320327.182433
2001	3130983504.5523148
2002	3052224811.3345337
2003	3125288144.505574
2004	3131797127.416135
2005	2767139384.060217
2006	2599850499.050586
2007	3068822717.756463
2008	3088349666.4881444
2009	3082003408.1503477
2010	2899751886.6546564
2011	3025049807.682944
2012	3046204002.1422653
2013	3189401626.1745944
2014	3261000438.1907587
2015	3342200000
2016	3536330415.307464
2017	3486529602.7214646
2018	3579452427.0899267
2019	3187286206.7286625
2020	2456652875.018258
2021	2133481873.5089345
2022	2003953113.5887825