Year	current US$
1983	89800000
1995	162387700
1996	182834000
1997	182125300
1998	180575600
1999	172319200
2000	169396700
2001	184320400
2002	173961400
2003	186599300
2004	187839500
2005	189722600
2006	195838100
2007	195650000
2008	226222700
2009	243611500
2010	243860300
2011	255859900
2012	266613200
2013	262856299.99999997
2014	236361400
2015	247594700
2016	242489900
2017	260565500
2018	262770200
2019	272077700
2020	253798900
2021	263273300
2022	274333800
2023	310669400