Year current US$ 2011 105368715.083799 2012 107849162.011173 2013 107983240.223464 2014 114089385.47486 2015 107089385.47486 2016 116374301.675978 2017 104312849.162011 2018 94097363.301676 2019 99776723.027933 2020 81396898.0837988 2021 88420715.2122905 2022 100703378.407821