Year constant 2015 US$ 2004 2722.0950700849817 2005 2854.8056813810845 2006 2716.477608490721 2007 2820.7137347406083 2008 2442.8530470903443 2009 2475.121946019685 2010 2489.2489755155384 2011 2605.2780084393344 2012 2681.8864375647954 2013 2923.5645597050557 2014 2847.4530833425497 2015 2884.14317715677 2016 3050.52923829115 2017 3434.035586399305 2018 3494.3740634204482 2019 3821.323711529669 2020 3812.2384233448047 2021 3785.220383180309 2022 3976.037508081671