Year	current US$
2000	2001.66870117
2001	2055.75952148
2002	2149.37939453
2003	2552.26391602
2004	2916.2512207
2005	3291.22070313
2006	3788.68603516
2007	4221.92871094
2008	4491.22900391
2009	4368.85693359
2010	5083.98193359
2011	5423.05908203
2012	5538.93554688
2013	5483.25585938
2014	5231.73632813
2015	4677.83007813
2016	4667.703125
2017	4920.72851563
2018	5080.32324219
2019	5115.97607422
2020	5668.34765625
2021	6470.06787109
2022	6207.18164063