Year	current US$
2011	5511353411.910669
2012	8330669075.630253
2013	8375367215.056467
2014	11420462170.77671
2015	12751080584.69709
2016	16641488829.834211
2017	18284017158.454254
2018	20296498650.407284
2019	21220320169.586044
2020	22422152040.06763
2021	21077070500.813854
2022	19340624595.664627
2023	24181526596.11714