Year	current international $
2000	2222.56509934782
2001	2296.33368589505
2002	2484.18108179827
2003	2557.24201007677
2004	2556.13867537896
2005	2429.99077458802
2006	2409.73258566987
2007	2350.39142828036
2008	2370.87902715236
2009	2734.09400459755
2010	2537.15187744786
2011	2591.77820503087
2012	2497.08861323793
2013	2657.41648426757
2014	2786.92336535314
2015	2416.0655481766
2016	2682.40736463708
2017	2853.38102066944
2018	3002.58777647683
2019	3281.38232559293
2020	4157.38309592775
2021	4065.61400399455