Year	current international $
1990	18133.769992699763
1991	17547.407696363694
1992	17258.746439593288
1993	17466.148842844494
1994	18466.343944200697
1995	19573.747925106894
1996	20080.840164032932
1997	21790.477365867562
1998	23576.779585903438
1999	24767.280673451005
2000	26788.10900732349
2001	27803.908492626906
2002	28605.12231596035
2003	29053.11015673434
2004	31202.63266625406
2005	32051.794003845567
2006	34454.88837727594
2007	37846.923215528186
2008	40083.69726996675
2009	37971.168821895524
2010	38949.724499751785
2011	40916.83857902744
2012	40873.095332606616
2013	41493.141647035874
2014	41757.402189441316
2015	42497.704978578295
2016	44934.448207778456
2017	47570.13358384801
2018	49579.33100082781
2019	52569.80005505888
2020	53668.81909168168
2021	57788.9034581748
2022	62599.005559632344
2023	65060.67416183202