Year constant 2015 US$ 2006 7360420888.7504635 2007 7233994126.781089 2008 7769616403.913404 2009 8331013351.881458 2010 8770605391.267725 2011 8844814692.931519 2012 9048417891.458534 2013 9587289448.433632 2014 9673619828.685667 2015 9872630363.841253 2016 10142452739.89385 2017 10772688442.472351 2018 11297935030.052588 2019 11823866108.387392 2020 12685082333.210659 2021 13757840571.305468 2022 14330231417.069384 2023 14968175174.458961