Year	current international $
1990	2756.8260987469534
1991	2474.101591088099
1992	1490.4885025123372
1993	1438.7201233332837
1994	1587.1846844623929
1995	1758.8269205452136
1996	1909.8053966536415
1997	2024.1199364926358
1998	2217.2105653147273
1999	2347.79958205187
2000	2572.7379369869077
2001	2915.7791905988765
2002	3382.2843912526923
2003	3958.6200031837084
2004	4518.799711445988
2005	5340.517179426527
2006	6274.645061621786
2007	7381.440960217837
2008	8099.329355039811
2009	7045.399360434198
2010	7332.435561301713
2011	7881.771734684769
2012	9279.175400379061
2013	9847.932250535774
2014	10153.555610874157
2015	10183.92792768112
2016	11036.722291919099
2017	12605.337955959036
2018	13478.762794712378
2019	15729.14969505765
2020	15523.465393885925
2021	16899.07091816764
2022	20445.09888089303
2023	23054.600523069097