Year	constant 2015 US$
2006	34238793420.80259
2007	37397777595.70609
2008	41994014541.144424
2009	38858636871.54294
2010	40544606530.38678
2011	46828872774.715935
2012	53212900951.1532
2013	54652740076.07398
2014	53754390927.438416
2015	53782325914.58343
2016	55087724918.893776
2017	57072173616.381836
2018	60420877398.179184
2019	64498727557.49947
2020	65863131778.6187
2021	70549692217.39694
2022	73392681817.41414
2023	74934282084.6061