Year	constant 2021 international $
1990	2314.6844473063697
1991	2310.261945880912
1992	2390.07776282526
1993	2439.250957946875
1994	2529.095683695791
1995	2646.205881951143
1996	2767.7125005766247
1997	2814.0592145820256
1998	2910.7422222610435
1999	3071.4245628627395
2000	3135.923175444479
2001	3211.711306434436
2002	3269.84186970529
2003	3441.4772033711274
2004	3636.3840377139636
2005	3849.536761578748
2006	4078.297178679886
2007	4307.9128106907665
2008	4386.815585112029
2009	4629.6786414207545
2010	4904.8582042819635
2011	5080.291099393532
2012	5281.776901019904
2013	5527.210944858346
2014	5833.006740335362
2015	6184.090191705284
2016	6586.659701410984
2017	6932.9188170728385
2018	7287.0893164426825
2019	7492.3950557113085
2020	7070.059046932982
2021	7610.501895567224
2022	8023.864944427105
2023	8461.898041831424