Year	constant 2010 US$
1990	124804398896.051
1991	108681903645.787
1992	99153512866.8714
1993	100669405976.211
1994	104627669365.45
1995	111149647150.487
1996	115493044233.171
1997	109892714060.312
1998	107662097567.873
1999	107256576751.339
2000	109896443682.537
2001	115630989855.201
2002	122225415551.961
2003	125086892603.754
2004	138131095135.299
2005	144579259160.474
2006	156187254733.537
2007	167485540461.011
2008	183074202155.212
2009	172973276362.91
2010	166225180150.414
2011	169561579232.308
2012	173083653020.655
2013	179166767670.468
2014	185277804086.669
2015	192450875631.631
2016	201690057088.723
2017	215791002717.494
2018	224629098584.481