Year	current US$
2006	314081277.73
2007	354784633.92
2008	509535838.78
2009	498173298.132
2010	531755697.08
2011	498047447.64
2012	664041719.54
2013	685224934.26
2014	672378108.54
2015	580939642.18
2016	312800333.67
2017	446349334.35
2018	537846124.64
2019	658352116.3
2020	697074683.28
2021	872540971.01
2022	896900000
2023	1323200000