Year	constant 2015 US$
2006	4633485696.506992
2007	4780025489.196212
2008	4762941612.471615
2009	4419986821.7307205
2010	4299956032.008489
2011	4350225213.891429
2012	4403722268.681414
2013	4460060434.887372
2014	4578454046.888689
2015	4708167255.287269
2016	4860710632.084432
2017	5015477958.0794
2018	5229501727.252443
2019	5434269999.233814
2020	5165012391.414216
2021	5418352610.053881
2022	5697740746.843133