Year	current international $
1990	17610
1991	18380
1992	19190
1993	19720
1994	21190
1995	22270
1996	23270
1997	24470
1998	25450
1999	26370
2000	28010
2001	29010
2002	30260
2003	30550
2004	32980
2005	34430
2006	37790
2007	39210
2008	41740
2009	40730
2010	43700
2011	45340
2012	45820
2013	48210
2014	49640
2015	50550
2016	53250
2017	56570
2018	59080
2019	62550
2020	64600
2021	72640
2022	80530
2023	79390