Year	current international $
1990	19910
1991	20080
1992	19920
1993	19740
1994	21150
1995	22450
1996	23290
1997	24150
1998	25330
1999	27430
2000	29640
2001	29960
2002	31010
2003	32350
2004	34050
2005	34710
2006	38710
2007	42140
2008	43610
2009	41220
2010	43360
2011	45520
2012	46470
2013	47350
2014	48180
2015	49520
2016	50740
2017	52870
2018	54590
2019	58960
2020	59780
2021	66040
2022	71230
2023	72990