Year	constant 2021 international $
1990	3905.9693296380897
1991	3900.1706447552606
1992	3621.4629663749183
1993	3359.603838305199
1994	2902.729722547918
1995	3130.96775754371
1996	3200.4936562542566
1997	3227.016260810236
1998	3237.8141201694525
1999	3265.5916306728295
2000	3234.3969496656878
2001	3165.938365254503
2002	3143.9013979608494
2003	3197.6981266369135
2004	3103.0046232693126
2005	3145.539096588736
2006	3147.84022698412
2007	3241.9272099597893
2008	3274.426090492494
2009	3411.931976772783
2010	3182.3975887660085
2011	3307.201926796064
2012	3273.106287804814
2013	3363.8574826101735
2014	3410.664144797536
2015	3408.9727731991334
2016	3422.136901983093
2017	3459.702823323967
2018	3469.851994521247
2019	3364.8366006789925
2020	3211.494757144323
2021	3114.9635420308946
2022	3026.240617761324
2023	2934.432581741105