Year	current international $
2000	1454.29845917894
2001	1368.91947523659
2002	1513.69770054844
2003	1712.85206210174
2004	1671.38155336924
2005	1751.86323149745
2006	1844.12662638549
2007	1920.76695302786
2008	2163.97268798417
2009	2239.86213173329
2010	2373.85819535362
2011	2481.24819429742
2012	2696.19211361947
2013	3015.07731198322
2014	3209.36132880226
2015	3562.13070323327
2016	3855.18901677695
2017	4051.37692803802
2018	3978.07619154444
2019	4397.05086519512
2020	5528.00076992904
2021	6352.6231492785