Year	current US$
1995	296580000
1996	432614000
1997	714127000
1998	692254000
1999	475796000
2000	475200000
2001	650254000
2002	1291751000
2003	2027858000
2004	2707863000
2005	2630914000
2006	2859242000
2007	3331106000
2008	3852324000
2009	3612695000
2010	3845497000
2011	5740836000
2012	7330045000
2013	8175659000
2014	10187452000
2015	8553411000
2016	7434281000
2017	8004015000
2018	6761751739.14117
2019	6481430404.43728
2020	5479883897.56471
2021	5933989611.3
2022	7688145000
2023	8511315000