Year	current US$
2007	3435720056.3415117
2008	4266857908.030615
2009	3427721059.1306973
2010	3485154316.042351
2011	3938931804.593018
2012	3766265924.370555
2013	4069499762.933438
2014	4372921001.629422
2015	3882684486.216178
2016	4004411060.6701016
2017	4802207665.471881
2018	5908650081.347035
2019	6569075625.02615
2020	5759035758.346577
2021	7458930861.950952
2022	9098838689.792818
2023	10823857911.23775