Year	constant 2015 US$
2010	69524531.38686132
2011	63554931.38686132
2012	52926131.38686132
2013	35534902.189781025
2014	35436064.23357665
2015	34216000
2016	35034335.76642336
2017	37278913.86861314
2018	36357489.05109489
2019	36344735.76642336
2020	29334680.291970804
2021	27495018.97810219
2022	27893559.12408759