Year	current US$
2012	4812785.468995566
2013	6501515.388488779
2014	5255080.044269566
2015	7123270.079493526
2016	6714269.973337643
2017	6317280.009388927
2018	10104646.280407907
2019	16258169.913664455
2020	12145559.44502354
2021	11290700.003504768
2022	11239411.950111387