Year	constant 2010 US$
1991	13997403808.2338
1992	14031972601.4595
1993	16872660160.3796
1994	18364948888.0428
1995	21129215043.7818
1996	22630220679.5894
1997	28069502475.9049
1998	34417725440.5629
1999	38990434828.5797
2000	48007711897.5045
2001	50796399441.8373
2002	55204110171.5604
2003	60442979677.5576
2004	70890163189.4778
2005	76452869755.1024
2006	88307954310.3316
2007	100587333081.716
2008	106649799623.136
2009	90951258750.7062
2010	100186267948.528
2011	104629235427.298
2012	100984204220.363
2013	105542951056.573
2014	117117989714.707
2015	123898032031.835
2016	128673893925.533
2017	138639630890.022
2018	148432237448.033