Year	constant 2015 US$
2009	2961.6142591894873
2010	2920.141230705983
2011	2932.5779644567647
2012	2814.1763606406703
2013	2919.215398512106
2014	2838.2740465324496
2015	2801.5993464725448
2016	2937.8796148845463
2017	3024.601479192746
2018	2922.71973398184
2019	2932.940907877202
2020	3004.1682049477436
2021	3231.1819006392284
2022	3069.7225721719615
2023	3085.5879807206243
