Year	current US$
2012	3964153.2301902776
2013	4786106.050014498
2014	4191520.035266872
2015	5581089.973449712
2016	4470099.955797196
2017	5374049.8423576355
2018	5340810.775756836
2019	8045690.059661869
2020	5182343.572378159
2021	5182799.9353408795
2022	3934494.853019718