Year	constant 2015 US$
2009	2622586976.469747
2010	2567983190.47505
2011	2553687928.1669173
2012	2758555026.20628
2013	1631182831.4040256
2014	1618280684.359587
2015	1648416300.450131
2016	1776155471.6177082
2017	1794307130.2694302
2018	2377877481.2959213
2019	2517591631.5910635
2020	2460852782.7892146
2021	2512282874.59102
2022	2616974802.131442
2023	2497492561.4917407