Year current US$ 2005 0 2006 0 2007 196425072.407464 2008 298104236.132868 2009 303165047.741889 2010 415967090.446819 2011 509607732.220525 2012 507500921.443477 2013 545308440.053599 2014 543354188.552657 2015 469734652.334568 2016 480844129.101267 2017 522997313.491039 2018 588907941.567451 2019 584315521.917428 2020 600703223.755135 2021 792208806.485596 2022 830145183.727087 2023 804942106.60182