Year current US$ 2008 2160000.08583069 2009 1180000.0183284285 2010 4950000.04768371 2011 4920000.085607171 2012 3828597.9032516396 2013 575291.097164154 2014 4862176.8951416 2015 2352643.549442287 2016 720461.010932922 2017 1182559.482753272 2018 4840914.046391848 2019 3381144.9110508 2020 11742539.912462234 2021 9921430.051326752 2022 12774406.408425413