Year	constant 2015 US$
1960	2185539617.905308
1961	2418673258.2122407
1962	2671472307.381374
1963	2952619527.7110314
1964	3262690851.582608
1965	3602845834.4985867
1966	3929693440.146216
1967	4306869891.122023
1968	4669584290.43677
1969	5088990595.149607
1970	4801480462.445992
1971	4879576961.824502
1972	4708921763.380786
1973	5065272658.658577
1974	4216625274.1461697
1975	3592432908.73383
1976	3778707199.9931827
1977	4124645169.6161222
1978	4709500062.084447
1979	5940530212.539295
1980	6326384397.447261
1981	5742686546.023618
1982	6127383246.249552
1983	6347788399.76468
1984	7247342928.199043
1985	7597330171.743936
1986	7733854212.21026
1987	7964672587.211751
1988	8148633240.128983
1989	8696818672.367607
1990	8557995783.705324
1991	8200118797.839306
1992	7886416504.77103
1993	7910691414.961682
1994	8159792440.423193
1995	8517089517.945721
1996	8876811379.715437
1997	8991122802.803732
1998	9415215953.241327
1999	10087848763.987806
2000	10506335029.828781
2001	10782232420.152214
2002	11073887089.600636
2003	10933811645.109165
2004	11030288728.340694
2005	11404886621.649488
2006	11691901110.742086
2007	11860977682.457462
2008	11585370303.40627
2009	11101631501.311504
2010	11272448140.660315
2011	11341567493.877293
2012	11681576709.450377
2013	11347097042.134651
2014	11556707522.666641
2015	11671900000
2016	11559626969.473848
2017	11883240881.123014
2018	12195757028.087833
2019	12030228260.936182
2020	9452936752.71722
2021	10908986680.2055
2022	12085195064.067894
2023	12404130127.191605