Year	constant 2015 US$
2013	2176.64047039584
2014	2329.5553564787933
2015	2484.805648609168
2016	2573.3365952769072
2017	2624.57519240281
2018	2695.4260006779264
2019	2734.173995947437
2020	2727.400726966947
2021	2850.497678549762
2022	3019.5608395840018
2023	3062.3165564190545