Year	current international $
2000	115.451079334171
2001	121.481400207119
2002	131.165703348528
2003	145.000895230473
2004	152.841255368592
2005	164.556341277483
2006	180.707844558629
2007	212.815598206278
2008	254.51779969086
2009	289.989870740487
2010	360.058194077757
2011	378.273596075271
2012	378.375539780051
2013	384.484163220933
2014	429.496567537827
2015	431.878767602083
2016	458.595282446714
2017	479.413065787341
2018	505.92140114953
2019	553.899808373907
2020	620.433354124045
2021	675.654386515265