Year current US$ 2006 524060.412118421 2007 3323008.37081739 2008 15584032.863022 2009 85570678.0589496 2010 103374566.069872 2011 104752310.554 2012 107023350.42 2013 7770793.38 2014 27615779.9 2015 158813100 2016 237380400 2017 265601245.9 2018 285678509.31 2019 293383664.29 2020 291998949.55238 2021 319030377.01 2022 363540257.657 2023 408198336.904