Year	current international $
2000	229.76895321641933
2001	240.67104711766103
2002	255.95616303764402
2003	275.398909900719
2004	294.7152745239898
2005	305.33294899603874
2006	340.16715940947756
2007	359.9068445011026
2008	394.2855529035477
2009	414.4122401130753
2010	426.07001505962785
2011	442.44830151696385
2012	461.82256640558484
2013	490.05871493805967
2014	502.3043842541627
2015	517.1336661806524
2016	541.1115180661118
2017	569.6830126055539
2018	593.803193621246
2019	629.0295274198456
2020	612.7608474959645
2021	674.7547970203441