Year	constant 2015 US$
1986	4159487047.161835
1987	4296748804.151048
1988	4863920937.71947
1989	4999612217.743649
1990	5284729934.966052
1991	4864914939.912822
1992	4191715901.495713
1993	3543704782.0553603
1994	2831946047.7828093
1995	2678346337.216584
1996	2868093847.6328793
1997	3152472634.587165
1998	3219362911.289508
1999	3337056039.339848
2000	3518703233.1890755
2001	3705955297.867847
2002	3705313255.453202
2003	3965807641.190416
2004	4244477505.2722344
2005	4237027793.4292903
2006	4368498475.52979
2007	4741693829.845407
2008	5140072739.629852
2009	5288430380.284236
2010	5263491909.116236
2011	5576999924.820182
2012	5572083788.241157
2013	6180302892.031295
2014	6429000667.909093
2015	6678177511.663131
2016	6967733666.777648
2017	7297999868.503012
2018	7572252145.255492
2019	7920623120.268602
2020	7354379549.419781
2021	7759385792.104207
2022	8455209116.531332
2023	8975322159.940475