Year	constant 2015 US$
2010	2507.03868880248
2011	2668.0873105710693
2012	2925.9626908848427
2013	3067.284083418876
2014	3280.0263008721627
2015	3333.0612510476267
2016	3335.4883236279957
2017	3603.0511497857187
2018	3869.877825489189
2019	4051.9663834838943
2020	3889.3650812573255
2021	4182.078142878126