Year current US$ 2010 6054845635.9050255 2011 7892793219.083672 2012 8098478814.135566 2013 9543455303.381195 2014 9246791226.645004 2015 9096555880.035229 2016 8007419918.919967 2017 10608950522.721302 2018 10167050523.252607 2019 9151427463.149729 2020 5848476673.117608 2021 6930943382.484401 2022 7868531976.855744