Year	constant 2015 US$
2011	10430961053.786777
2012	15282529128.093283
2013	16725312437.423433
2014	20804687582.114
2015	26269302133.86989
2016	29048218330.40318
2017	32500747614.656406
2018	31476055383.921844
2019	35200084593.58435
2020	34054561371.94234
2021	33956680097.873093
2022	37056288401.57992
2023	39052585433.077965