Year	current US$
1999	11789221514.491037
2000	13543369172.163103
2001	13671617800.50399
2002	13381715012.055763
2003	16931900262.651602
2004	22792544527.464485
2005	27339830730.12813
2006	34171217999.39909
2007	41820895131.864494
2008	41973546783.4805
2009	36298491546.94453
2010	43098348149.072586
2011	49857540016.7688
2012	54225552658.35803
2013	63211261088.43252
2014	72091078643.51292
2015	67663787610.91451
2016	68811306190.24187
2017	77628807568.91002
2018	86937988055.82281
2019	92989915273.40945
2020	98589070248.74504
2021	123992290304.32655
2022	114123977790.79065
2023	118943656888.77676