Year	current US$
1987	1230696196799.722
1988	1370570830124.0657
1989	1337048939317.7559
1990	1441501485459.5205
1991	1399111539814.0884
1992	1339619565896.9954
1993	1464038026481.7156
1994	1728524269770.9905
1995	2214154804006.2197
1996	2450411007549.0747
1997	2575084465286.2397
1998	2475913389385.652
1999	2234634490295.5645
2000	2406812890263.0923
2001	2466683126924.959
2002	2588170731552.402
2003	2870966363053.9077
2004	3360969643337.9565
2005	4021868819608.107
2006	4761395633208.281
2007	5929450393177.444
2008	7294044272955.279
2009	7171013579423.99
2010	8356758537434.316
2011	10116247622733.324
2012	10831292585453.48
2013	11749419289654.838
2014	12238577356758.111
2015	11401417776629.143
2016	11571847558204.771
2017	12834309459762.395
2018	13901902680036.434
2019	14344360825678.44
2020	13845488118599.305
2021	15988686290439.223
2022	16607689519992.758