Year	constant 2010 US$
1991	25228833626.8149
1992	24961145654.1619
1993	27408533542.7378
1994	25382837798.7681
1995	23936260674.6202
1996	23203573664.2448
1997	22988248238.1087
1998	23029445176.8704
1999	23323962765.3256
2000	23693516608.2241
2001	24529354039.4256
2002	25851260166.9518
2003	27147822732.8649
2004	27762201470.4267
2005	28646708426.0598
2006	29015767928.5705
2007	27047839538.6582
2008	27882153712.4147
2009	28269026709.0925
2010	28157173600.2853
2011	28212166081.6004
2012	27821010718.1014
2013	28988676932.029
2014	30482762926.2662
2015	30866106563.5406
2016	31094267592.3424
2017	31503840004.8089
2018	31333430565.7367