Quarter	US dollars
2004-12-31	582421
2005-03-31	640382
2005-06-30	612694
2005-09-30	683650
2005-12-31	587707
2006-03-31	693411
2006-06-30	711297
2006-09-30	772826
2006-12-31	779471
2007-03-31	928299
2007-06-30	918361
2007-09-30	994049
2007-12-31	924717
2008-03-31	1057465
2008-06-30	949718
2008-09-30	913692
2008-12-31	763611
2009-03-31	697097
2009-06-30	711910
2009-09-30	754801
2009-12-31	696649
2010-03-31	699975
2010-06-30	649701
2010-09-30	737473
2010-12-31	679198
2011-03-31	732348
2011-06-30	703409
2011-09-30	714160
2011-12-31	624224
2012-03-31	645572
2012-06-30	609970
2012-09-30	610074
2012-12-31	610872
2013-03-31	614682
2013-06-30	590424
2013-09-30	628816
2013-12-31	611706
2014-03-31	616944
2014-06-30	627940
2014-09-30	578695
2014-12-31	543638
2015-03-31	536038
2015-06-30	497197
2015-09-30	481641
2015-12-31	440347
2016-03-31	458453
2016-06-30	436890
2016-09-30	424899
2016-12-31	385674
2017-03-31	415825
2017-06-30	454669
2017-09-30	437468
2017-12-31	444665
2018-03-31	503448
2018-06-30	492078
2018-09-30	453128
2018-12-31	420541
2019-03-31	469139
2019-06-30	482712
2019-09-30	481760
2019-12-31	444960
2020-03-31	495547
2020-06-30	484102
2020-09-30	536743
2020-12-31	562185
2021-03-31	555695
2021-06-30	493218
2021-09-30	496449
2021-12-31	463528
2022-03-31	499397
2022-06-30	454951
2022-09-30	448902
2022-12-31	476796
2023-03-31	512080
2023-06-30	540519
2023-09-30	550191