Year	current international $
1990	13339.1875
1991	13537.27734375
1992	14749.6005859375
1993	14842.130859375
1994	15724.8056640625
1995	17084.48828125
1996	17313.615234375
1997	17777.412109375
1998	18758.650390625
1999	19662.755859375
2000	21291.26171875
2001	22868.8046875
2002	24013.322265625
2003	24280.91015625
2004	25945.201171875
2005	27762.90234375
2006	30015.078125
2007	32888.51171875
2008	34829.3359375
2009	33883.25
2010	33504.37890625
2011	33404.21875
2012	31922.306640625
2013	30450.125
2014	30168.916015625
2015	31920.009765625
2016	35877.1015625
2017	38411.4140625
2018	40673.7265625
2019	44685.13671875
2020	42796.03515625
2021	48466.84375
2022	53776.30859375
2023	57100.46484375