Year	constant 2015 US$
2008	2162939073.266182
2009	2069867758.1803412
2010	2057925881.4680963
2011	2134237769.0523894
2012	2283989844.564811
2013	2417672955.880993
2014	2549017907.367839
2015	2573905971.054594
2016	2611740221.7158585
2017	2703524764.278172
2018	2777372953.250346
2019	2899302496.0284576
2020	2843437737.689966
2021	3007093233.3956194
2022	3169430571.8820496