Year	constant 2015 US$
2009	735.8268937314547
2010	749.3615459531104
2011	772.0781562100472
2012	793.9708858226435
2013	434.9191421437359
2014	436.8161952302185
2015	445.71174231477283
2016	463.34058389644736
2017	472.6843549576616
2018	158.55190615050427
2019	160.58491700669424
2020	165.36065806052395
2021	562.2168650786115
2022	554.7407646179508