Year	current international $
2000	1592.0171561350255
2001	1697.8501499180825
2002	1806.662391552889
2003	1875.759738059711
2004	1945.6368329742486
2005	2040.2011365647604
2006	2184.2751023270534
2007	2288.299670838417
2008	2463.191093211978
2009	2607.557239838508
2010	2669.885097347001
2011	2737.3093400294474
2012	2771.0470316770275
2013	2878.4248970306435
2014	2954.164023566127
2015	3041.514323553872
2016	3243.370588064438
2017	3388.1746375390985
2018	3533.262665094614
2019	3765.0849196240056
2020	4074.1528576079204
2021	4366.1877018867535