Year	current US$
1995	473482147.216797
1996	500428497.314453
1997	511000000
1998	536000000
1999	560000000
2000	543000000
2001	568000000
2002	582000000
2003	700293945.3125
2004	906639831.542969
2005	1001000000
2006	1031161132.8125
2007	1553829345.70313
2008	1968000000
2009	1742000000
2010	1320000000
2011	1366000000
2012	1318000000
2013	1254000000
2014	1343000000
2015	1453000000
2016	1559318481.44531
2017	1378000000
2018	1569000000
2019	1596000000
2020	880000000