Year	current US$
2000	843.29629407
2001	870.83270694
2002	985.48795914
2003	1135.53915058
2004	1235.56181218
2005	1423.15242563
2006	1282.48086667
2007	1486.33859998
2008	1983.78973876
2009	2050.34165019
2010	2735.16303535
2011	2880.0446659
2012	2093.41387087
2013	2133.94020357
2014	2195.12224149
2015	1933.83911545
2016	1982.3370612
2017	2066.99839026
2018	2238.68677932
2019	2158.50369126
2020	2374.06268933
2021	2594.62560032