Year	constant 2015 US$
1970	2077407555.8906252
1971	2139124210.431641
1972	2228048340.076563
1973	2304649110.045313
1974	2391109011.560157
1975	2470174009.658985
1976	2539285567.6160164
1977	2613420999.9417977
1978	2660347847.6507826
1979	2719694582.657423
1980	2803594837.9335947
1981	2842842746.9265633
1982	2884935446.9710946
1983	2939636651.5046887
1984	3003533498.8757825
1985	3063108793.537892
1986	3259341681.4253917
1987	3573775415.602735
1988	3728585749.231641
1989	4032715437.19375
1990	4301960930.361719
1991	4475495403.532813
1992	4619114080.633985
1993	4860848092.166016
1994	4908651455.058593
1995	5138305090.237498
1996	5273882017.90742
1997	5461587189.717576
1998	5626078023.317185
1999	5975332710.053904
2000	6196907981.876169
2001	6620169397.4433565
2002	6837537396.384373
2003	6999156810.623044
2004	7222720329.54531
2005	7438989910.724607
2006	7445759048.87031
2007	7475988837.088278
2008	7715891042.837887
2009	8071638599.010542
2010	8376838966.912105
2011	8611943638.922651
2012	8942574042.277338
2013	9304955376.02304
2014	9410507775.35976
2015	9592329200.310932
2016	9698586140.333197
2017	10090709076.624994
2018	10637384939.555073
2019	10932486521.126165
2020	11728507654.01796
2021	12324039807.573818
2022	12647392915.878897
2023	12967917875.825771