Year	constant 2015 US$
2006	545193215.7416927
2007	980162957.767048
2008	1289526304.6941557
2009	916825868.7178054
2010	746830839.8795955
2011	693257284.7373842
2012	676406851.8691082
2013	748731206.5222104
2014	729725331.651387
2015	816909206.2984858
2016	1130667358.1283288
2017	1342355613.9809794
2018	1539088282.496282
2019	1512786810.6424508
2020	1332003529.5681298
2021	1168092765.8088322
2022	1169517212.6240404
2023	1225181060.6508944