Year	constant 2015 US$
2010	25827918182.588932
2011	16833720634.409163
2012	22626406657.17335
2013	24137969280.113785
2014	23333549901.757072
2015	21548497332.049435
2016	21489966501.850166
2017	17869327924.687805
2018	15676088234.862896
2019	18530406762.205296
2020	9938958720.177889
2021	23533349995.862785
2022	22555530998.249718