Year	current international $
1990	3429.7261760946803
1991	3531.11186958385
1992	3605.534522185042
1993	3551.6941779492513
1994	3331.8723701394974
1995	3443.023962201663
1996	3560.046802962842
1997	3525.656340596545
1998	3620.300205504179
1999	3482.473273635866
2000	3687.6867915627286
2001	3769.683448403083
2002	3911.0565313737934
2003	3910.9406351599596
2004	4016.906771420954
2005	4306.366233143693
2006	4617.089012555991
2007	4268.45623077886
2008	4474.3453866600885
2009	4827.9541248337655
2010	5153.255070165265
2011	5204.0008336414885
2012	6093.016322133017
2013	5868.944609214856
2014	5769.148067364446
2015	4746.040112414986
2016	4043.7001381773925
2017	4476.993601986655
2018	5636.4255885499215
2019	5766.7549235887045
2020	4813.31562649405
2021	6323.7175792148155
2022	6713.963637307906
2023	6932.938209352385