Year constant 2015 US$ 2010 4517020396.838049 2011 4939029535.470649 2012 5490072928.906411 2013 5928144103.281325 2014 6104701869.438554 2015 6046860893.844799 2016 6008635336.59185 2017 6386664903.213988 2018 6708191176.376405 2019 6760265623.5373535 2020 6341590806.6208 2021 7535038039.803348 2022 8818348152.624983