Year	constant 2010 US$
1991	171466468751.286
1992	177990350786.418
1993	170947868479.405
1994	161372364850.809
1995	165489363001.805
1996	173489098133.554
1997	177831757759.146
1998	179665809301.092
1999	186189433277.779
2000	186965870507.951
2001	181904198755.627
2002	183434236976.612
2003	175630196473.099
2004	196139197023.827
2005	180241046785.168
2006	179248702246.52
2007	186983300223.511
2008	194564188493.593
2009	194444261244.591
2010	187048352590.811
2011	190332571127.977
2012	182036043978.946
2013	186977567195.645
2014	197107077801.465
2015	198025238255.504
2016	195252629506.268
2017	198546382843.591
2018	200918106541.99