Year	current international $
1990	5588.308976424949
1991	5781.055337500043
1992	5946.715604527958
1993	6103.945544604685
1994	6334.1663669278705
1995	6588.6634902083715
1996	6877.432285199051
1997	7169.9072366288065
1998	7307.770506393638
1999	7562.984247641353
2000	8019.882184978335
2001	8297.494581228337
2002	8583.013575761066
2003	8952.567374088254
2004	9555.987572605818
2005	10165.708545631767
2006	10994.758052805797
2007	11758.61125142888
2008	12298.310848014304
2009	12244.857969993069
2010	12893.841237527187
2011	13580.11132349172
2012	14122.729447308404
2013	14647.202257289999
2014	15034.773610965012
2015	15196.328140597807
2016	15649.638483553328
2017	16326.467998433258
2018	17193.876147566894
2019	18009.93518727169
2020	17772.11282439585
2021	19719.51469491008
2022	21656.20320495341
2023	23009.81502597894