Year	constant 2015 US$
1980	2320615330.8190594
1981	3112118585.4966807
1982	3180660549.2301955
1983	3073055536.282204
1984	3171931806.133572
1985	2892473876.6058254
1986	3077018747.902583
1987	3507771251.197705
1988	3363329433.863163
1989	3420438652.8220434
1990	3009424298.8293433
1991	3424384189.2835693
1992	3401122123.0125527
1993	3403017422.6344028
1994	3433646643.229685
1995	3534765335.0769644
1996	3828184398.8951635
1997	4077440748.161705
1998	4220250139.7113037
1999	4312860473.216687
2000	4508960053.3957615
2001	4841156470.374254
2002	4756460647.44536
2003	5088882527.691327
2004	5223993704.044605
2005	5177179669.088172
2006	5655651296.107156
2007	6089827285.852785
2008	6822262797.606041
2009	7569706404.813382
2010	7286942258.068499
2011	7887471713.2638855
2012	8502711521.053422
2013	9199439516.823618
2014	9600921819.036152
2015	10875035462.490416
2016	12139804001.282106
2017	11465310088.456528
2018	11441787230.336222
2019	11477593830.920094
2020	10662686621.04045
2021	11806107470.30664
2022	12646243837.58447
2023	13126440196.69116