Year	current US$
2000	5817373.046875
2001	5878978.27148437
2002	6222448.73046875
2003	5961856.20117187
2004	6478176.025390631
2005	7798262.6953125
2006	9144347.900390629
2007	8013004.394531251
2008	8495672.11914063
2009	7791661.376953131
2010	7515015.625
2011	7798889.6484375
2012	8273549.56054688
2013	8992368.89648438
2014	8671709.47265625
2015	8590920.65429688
2016	9307089.84375
2017	10069801.2695313
2018	9957648.4375
2019	9565065.4296875
2020	8571891.6015625
2021	8052839.11132813
2022	8255532.226562501