Year current US$ 2012 221225.172281265 2013 228787.422180176 2014 240160.003304482 2015 266900.00295639 2016 376359.99917984 2017 425700.00886917097 2018 497636.765241623 2019 1193709.96952057 2020 758709.192276001 2021 1453899.97959137 2022 638957.798480988