Year constant 2015 US$ 2010 2620.9627959662603 2011 2744.5155682758127 2012 2873.846516673895 2013 2992.2307840899557 2014 3095.384128802211 2015 3212.368385299818 2016 3342.7867872082084 2017 3477.095009091555 2018 3628.05155854577 2019 3773.35722948772 2020 3677.3907344988293 2021 3784.327761834953 2022 3953.110582228347 2023 4132.137789708461