Year	current US$
2010	54292021800.711426
2011	59812635323.590576
2012	64015558051.63358
2013	66428655396.48435
2014	68591059028.57007
2015	66961913586.219475
2016	66421267805.78216
2017	68537423605.787704
2018	71751239679.04495
2019	76295086147.20184
2020	70995603576.55707
2021	76692994817.22302
2022	79732900033.7577