Year current US$ 2007 803499584 2008 936948105 2009 792991349 2010 817139884 2011 776016219 2012 913351644 2013 999788236 2014 915591226 2015 915710065 2016 1336108847 2017 923398748 2018 1011939697 2019 952468294 2020 1084082923 2021 1330713426 2022 1723344099