Year	constant 2015 US$
2011	34591039567.471016
2012	35773029455.41636
2013	39292643193.598526
2014	41856882328.585686
2015	46016302447.66989
2016	47772612416.44288
2017	51905139643.812065
2018	53315625533.82309
2019	60591552830.25504
2020	65623801823.60066
2021	71347384488.76042
2022	75389576708.95503
2023	80804969883.43892