Year	constant 2015 US$
1990	7224808190.908197
1991	6814934177.192697
1992	6244665423.807004
1993	5807743060.4241905
1994	5744501547.144551
1995	5703126304.358855
1996	5758553810.647499
1997	5830720401.397323
1998	6028718325.700124
1999	6264861267.65253
2000	6538809946.839644
2001	6408265143.863104
2002	6478226189.2919445
2003	6617378417.289494
2004	6967446140.557793
2005	7213578805.648784
2006	7688142031.508807
2007	7835197942.433596
2008	8566465224.012456
2009	8576878178.425415
2010	8804680405.77249
2011	8979429158.939272
2012	8901652859.525085
2013	9140671743.683895
2014	9517547387.25946
2015	9747431783.182676
2016	9922824586.705275
2017	10032180121.157982
2018	10288461600.752457
2019	10639719485.972383
2020	10235614116.905186
2021	10631220632.822504
2022	10884028107.98249
2023	10847888641.223726