Year	constant 2021 international $
1990	28036.71875
1991	27540.693359375
1992	29301.4453125
1993	28837.4453125
1994	29878.34765625
1995	30413.33984375
1996	30375.072265625
1997	30536.6328125
1998	34855.171875
1999	33120.9375
2000	33675.17578125
2001	35145.8125
2002	36848.33203125
2003	37753.203125
2004	38465.3125
2005	39974.48046875
2006	41030.73046875
2007	41814.234375
2008	44434.24609375
2009	42971.3203125
2010	42324.37890625
2011	43127.6171875
2012	39690.4453125
2013	36933.33984375
2014	36153.31640625
2015	38391.30078125
2016	39348.9375
2017	41626.70703125
2018	43168.12109375
2019	44112.515625
2020	41443.703125
2021	44214.28515625
2022	46470.25
2023	45394.15625