Year	current US$
1995	66527000000
1996	64725000000
1997	59000000000
1998	60253000000
1999	61215000000
2000	57607000000
2001	56437000000
2002	59550000000
2003	72839000000
2004	80321000000
2005	84513000000
2006	85717000000
2007	96170000000
2008	105691000000
2009	92899000000
2010	90866000000
2011	99909000000
2012	96196000000
2013	102668000000
2014	101737000000
2015	85334000000
2016	87412000000
2017	97163000000
2018	103502000000
2019	101231000000