Year current US$ 2007 339113943.3594682 2008 463456629.5817867 2009 351480419.5812409 2010 364512379.63172066 2011 411489142.71740836 2012 372684696.80482936 2013 382472100.87574124 2014 371406361.2113038 2015 303939911.11034554 2016 298244151.75514305 2017 266943567.9501591 2018 294394501.25339913 2019 298174370.5445726 2020 21042919.21185005 2021 -41153759.97034044 2022 126859072.75956963 2023 128071504.78008288