Year	current international $
1990	17740
1991	19130
1992	20580
1993	22900
1994	24170
1995	24930
1996	24880
1997	26590
1998	25610
1999	26390
2000	28450
2001	29470
2002	29800
2003	31980
2004	35270
2005	38280
2006	42730
2007	46710
2008	49590
2009	47240
2010	50240
2011	53710
2012	52900
2013	54530
2014	55640
2015	57080
2016	58190
2017	61840
2018	63800
2019	64310
2020	61580
2021	70450
2022	73080
2023	77880