Year	current US$
2012	272085.78586578404
2013	548023.819923401
2014	382580.012083054
2015	618900.001049042
2016	346579.998731613
2017	375620.007514954
2018	540931.1056137091
2019	519119.97795105004
2020	965636.134147644
2021	243399.992585182
2022	239240.21422863