Year	current US$
2000	685.2727118740506
2001	709.7853363490672
2002	803.1993337906878
2003	995.6460285561305
2004	1152.8419725042982
2005	1224.482080688651
2006	1307.7066341582856
2007	1500.508424774838
2008	1683.062621726334
2009	1623.7739984434952
2010	1609.0552530492032
2011	1731.1898388159846
2012	1655.3804757849014
2013	1726.4962692956674
2014	1764.8743487381564
2015	1528.8083334154617
2016	1531.711778367048
2017	1598.4502152588161
2018	1714.1401453971978
2019	1702.2283945563029
2020	1906.014274247859
2021	2166.226695793629