Year	current international $
1990	3320.273282289078
1991	3463.712132803713
1992	3617.836911116359
1993	3752.10334752441
1994	3888.732655350273
1995	4065.77162241125
1996	4161.465223090721
1997	4315.009742341673
1998	4474.453411384401
1999	4601.996831431416
2000	4758.834656371521
2001	4861.289862185866
2002	5009.918371501179
2003	5126.609056274092
2004	5315.447231716208
2005	5545.315786984128
2006	5901.431392080679
2007	6319.355690138279
2008	6526.240907181662
2009	6474.8600125756575
2010	6619.863140614735
2011	6910.876501552214
2012	7409.407805491148
2013	7875.688840341098
2014	8438.674124031391
2015	9166.040271681039
2016	9457.843748421492
2017	9845.384772619873
2018	10250.274489701671
2019	11079.627312223813
2020	11270.782330310663
2021	12106.422543083336
2022	13299.602345271984
2023	14066.51179027081