Quarter	US dollars
2004-12-31	242
2005-03-31	301
2005-06-30	219
2005-09-30	255
2005-12-31	285
2006-03-31	278
2006-06-30	298
2006-09-30	269
2006-12-31	309
2007-03-31	269
2007-06-30	696
2007-09-30	493
2007-12-31	569
2008-03-31	608
2008-06-30	525
2008-09-30	299
2008-12-31	505
2009-03-31	514
2009-06-30	530
2009-09-30	472
2009-12-31	383
2010-03-31	431
2010-06-30	394
2010-09-30	744
2010-12-31	637
2011-03-31	696
2011-06-30	835
2011-09-30	611
2011-12-31	550
2012-03-31	563
2012-06-30	535
2012-09-30	470
2012-12-31	378
2013-03-31	305
2013-06-30	308
2013-09-30	327
2013-12-31	344
2014-03-31	323
2014-06-30	318
2014-09-30	318
2014-12-31	311
2015-03-31	211
2015-06-30	149
2015-09-30	167
2015-12-31	210
2016-03-31	214
2016-06-30	132
2016-09-30	126
2016-12-31	107
2017-03-31	109
2017-06-30	316
2017-09-30	390
2017-12-31	315
2018-03-31	406
2018-06-30	391
2018-09-30	574
2018-12-31	655
2019-03-31	648
2019-06-30	598
2019-09-30	519
2019-12-31	592
2020-03-31	517
2020-06-30	533
2020-09-30	551
2020-12-31	566
2021-03-31	611
2021-06-30	600
2021-09-30	484
2021-12-31	633
2022-03-31	387
2022-06-30	350
2022-09-30	367
2022-12-31	461
2023-03-31	360
2023-06-30	338
2023-09-30	351