Year	constant 2015 US$
1990	27100081914.731434
1991	19691544123.176987
1992	22936211718.075104
1993	22979588922.20133
1994	25679667787.997353
1995	31481721632.19675
1996	34552731337.97448
1997	32871101173.840122
1998	32443965648.661
1999	31676690888.764664
2000	34063234920.47359
2001	36031830885.71573
2002	36705442349.71288
2003	37577072005.69134
2004	39081985873.265915
2005	41443325372.2242
2006	43714660297.77936
2007	49521825296.00081
2008	50470857259.00706
2009	45916601453.325874
2010	46076934803.59774
2011	46564154682.65664
2012	45014319833.32487
2013	44039473550.48529
2014	45472513847.24834
2015	49900299811.982315
2016	48389613293.358406
2017	50749001473.65212
2018	55838203160.72972
2019	59157843386.350945
2020	55594369632.603294
2021	56064108948.62545
2022	57773911275.979485
2023	60078337313.88791