Year	constant 2015 US$
2010	43408593133.304955
2011	39605769687.596924
2012	46524420474.64281
2013	48997226813.51762
2014	48195177031.64476
2015	46314753006.421906
2016	41001407755.201584
2017	35221527633.23343
2018	30726978780.881294
2019	38433860486.19908
2020	26534223022.72029
2021	47405376694.41326
2022	51708911550.21666
2023	48089845223.18316