Year	current US$
2000	2344.41088867
2001	2346.66918945
2002	2567.50292969
2003	3152.79418945
2004	3459.82495117
2005	3558.21337891
2006	3698.04370117
2007	4182.91601563
2008	4669.76025391
2009	4674.91943359
2010	4611.421875
2011	5037.49169922
2012	4765.67871094
2013	5100.15234375
2014	5309.15478516
2015	4627.35791016
2016	4746.87011719
2017	5070.19580078
2018	5511.21435547
2019	5486.98876953
2020	5936.25146484
2021	6626.00488281
2022	6191.03515625