Year	current US$
2006	93496400000
2007	139273790000
2008	85978070000
2009	91207340000
2010	84276830000
2011	48849670000
2012	59181970000
2013	61629650000
2014	70083650000
2015	55191870000
2016	33323010781.2094
2017	46546100000
2018	42005550000
2019	44199850000
2020	41351180000
2021	48731450000
2022	38852960000