Year current US$ 2011 370000.00476837205 2012 47913.4693741798 2013 117442.272603512 2014 289820.939302444 2015 454932.749271393 2016 835954.666137695 2017 777690.410614014 2018 541004.180908203 2019 627339.363098145 2020 608926.177024841 2021 798600.018024445 2022 686309.278011322