Year	current US$
2006	75022491.0343194
2007	60503403.6793541
2008	61007916.244212
2009	47650215.2113134
2010	70779765.6661513
2011	92283274.0490246
2012	73765182.3259175
2013	57949829.2888992
2014	52119521.9726357
2015	54958721.1717833
2016	52526250.4395012
2017	52589438.2417465
2018	57524189.4222053
2019	64990915.7525375
2020	47980514.7972506
2021	25794645.5021305
2022	33684108.3160668
2023	77803979.6175326