Year	current US$
2000	332.38130258
2001	327.40018724
2002	341.93056915
2003	389.25801206
2004	445.83271334
2005	505.80445143
2006	601.32472066
2007	658.38788042
2008	695.43485373
2009	665.1509684
2010	795.49067945
2011	824.15766919
2012	832.61274955
2013	800.16711346
2014	771.35603302
2015	689.22261045
2016	729.9690032
2017	780.06864105
2018	792.25504449
2019	790.72693647
2020	780.86725814
2021	907.32569155
2022	923.9969513