Year	constant 2015 US$
2006	3391866681.961469
2007	3609988490.380191
2008	3881897652.8960547
2009	3612167889.418031
2010	3678458681.8699393
2011	3854168334.4536824
2012	3780700330.1135316
2013	3926736611.9381266
2014	3972450113.268438
2015	4143543186.700041
2016	4211337026.177124
2017	4465200395.400014
2018	4650174840.847548
2019	4836110666.749382
2020	4116224418.9093513
2021	4676059018.163725
2022	4968782472.116827
2023	5213084741.130452