Year	constant 2015 US$
2010	4517020396.838049
2011	4939029535.470649
2012	5490072928.906411
2013	5928144103.281325
2014	6104701869.438554
2015	6046860893.844799
2016	6008635336.59185
2017	6386664903.213988
2018	6708191176.376405
2019	6760265623.5373535
2020	6341590806.6208
2021	7535038039.803348
2022	8818348152.624983
