Year	current US$
2012	25582485.82622036
2013	33568212.94780822
2014	26951210.081577294
2015	35500349.95377063
2016	30534169.94214057
2017	33724010.28126479
2018	44436054.632999
2019	70366519.94171551
2020	52126125.31520426
2021	54270960.0813687
2022	49512896.33661511