Year	current US$
2011	17339999.914169315
2012	10493405.334651474
2013	15696711.808443062
2014	12811112.701892853
2015	21902092.65053272
2016	15165419.310331345
2017	21585463.13643454
2018	28297838.98591995
2019	30727333.1284523
2020	13318556.211888783
2021	31110999.584198005
2022	21156301.796436302