Year	constant 2015 US$
2010	13828290483.637833
2011	15007785531.77237
2012	16814426766.838491
2013	18548701535.35216
2014	21261515628.076252
2015	23103428173.157513
2016	23770653015.703583
2017	25630109120.367416
2018	27852831496.27542
2019	30027724141.772068
2020	27494752060.838936
2021	23445227442.06537
2022	24365183370.957314
2023	24975800667.34381