Year	constant 2015 US$
2013	877828118.9139162
2014	968796914.1403955
2015	1037964069.9996551
2016	1040223151.6025912
2017	943614953.9355967
2018	1037227548.5732054
2019	997535808.4477971
2020	1015509426.6185305
2021	1188505501.504165
2022	1351016965.7953215
2023	1431351138.1116261
