Year constant 2015 US$ 2010 6520.237439877261 2011 7356.263550435777 2012 8471.266595741441 2013 8569.84019456132 2014 8790.34126854121 2015 8771.322989839064 2016 9395.886883321562 2017 9451.943568885112 2018 9587.51811414721 2019 9813.988714271438 2020 8908.95784417313 2021 10208.944688116675 2022 10192.452612577787