Year	current international $
2000	302.86379101114767
2001	321.49722276102835
2002	324.37211084139904
2003	333.48737916905264
2004	349.75606565014033
2005	380.42168461459477
2006	405.8078670545961
2007	434.91809969256497
2008	445.896038324035
2009	454.7993268815611
2010	456.27071550094155
2011	470.76659037206605
2012	486.66222228939023
2013	504.5818211823288
2014	523.0181461726135
2015	538.6025851405761
2016	546.7003807054224
2017	586.2851267790467
2018	618.1701347371362
2019	608.0236824358103
2020	582.955327576984
2021	623.4904745864601