Year current US$ 2008 9999.99977648258 2013 29999.999329447703 2015 319999.99284744303 2016 579999.983310699 2017 589999.973773956 2018 1019999.98092651 2019 819999.992847443 2020 829999.983310699 2021 1870000.00476837 2022 3099999.90463257