Year	constant 2021 international $
1990	16012.907753164407
1991	17586.29521210707
1992	18471.3070643219
1993	19603.822278549695
1994	21228.807794969045
1995	22858.362305846054
1996	24147.77614695841
1997	24890.944266374787
1998	22815.592114182804
1999	25080.948569297652
2000	26481.787022956112
2001	27320.957250651983
2002	29508.061957923208
2003	30139.437739672463
2004	31310.595079988438
2005	32001.7847611968
2006	33102.63494629159
2007	34808.95957588125
2008	34677.09307129715
2009	35353.92417357508
2010	37713.7523802243
2011	38034.06100607206
2012	38941.737314971084
2013	40255.33351435656
2014	41400.04471313796
2015	43783.188475024064
2016	45534.88867532252
2017	46902.49286962052
2018	47437.2646044721
2019	47438.39173521661
2020	47399.80403445496
2021	49118.12389701793
2022	48871.144479500224
2023	49726.453269791804