Quarter	US dollars
2004-12-31	875
2005-03-31	862
2005-06-30	1257
2005-09-30	1420
2005-12-31	1488
2006-03-31	1790
2006-06-30	1718
2006-09-30	2275
2006-12-31	1679
2007-03-31	1512
2007-06-30	1856
2007-09-30	3494
2007-12-31	4105
2008-03-31	4297
2008-06-30	4026
2008-09-30	3445
2008-12-31	873
2009-03-31	672
2009-06-30	626
2009-09-30	675
2009-12-31	444
2010-03-31	388
2010-06-30	417
2010-09-30	580
2010-12-31	700
2011-03-31	753
2011-06-30	538
2011-09-30	667
2011-12-31	571
2012-03-31	940
2012-06-30	778
2012-09-30	919
2012-12-31	1381
2013-03-31	1524
2013-06-30	1599
2013-09-30	1788
2013-12-31	1859
2014-03-31	2101
2014-06-30	2371
2014-09-30	2446
2014-12-31	2639
2015-03-31	2445
2015-06-30	2611
2015-09-30	2736
2015-12-31	3982
2016-03-31	4125
2016-06-30	4097
2016-09-30	2753
2016-12-31	2665
2017-03-31	2683
2017-06-30	19
2017-09-30	3
2017-12-31	36
2018-03-31	11
2018-06-30	22
2018-09-30	94
2018-12-31	68
2019-03-31	53
2019-06-30	93
2019-09-30	112
2019-12-31	32
2020-03-31	38
2020-06-30	53
2020-09-30	118
2020-12-31	68
2021-03-31	63
2021-06-30	32
2021-09-30	50
2021-12-31	46
2022-03-31	36
2022-06-30	36
2022-09-30	252
2022-12-31	282
2023-03-31	379
2023-06-30	328
2023-09-30	420