Year	constant 2015 US$
2002	2959395334.747046
2003	2748294456.225386
2004	2880730384.7318993
2005	3012170554.377461
2006	2924543774.6137533
2007	2944458951.832778
2008	3033081490.457437
2009	3058971220.842169
2010	3034077249.318388
2011	3076894880.3392906
2012	3192402908.209633
2013	3213313844.289609
2014	3226258709.4819746
2015	3287000000
2016	3336787943.047561
2017	3426406240.533171
2018	3403503786.731293
2019	3406491063.3141465
2020	3290983035.4438043
2021	3393546198.121781
2022	3435368070.281732