Quarter	US dollars
2004-12-31	995
2005-03-31	868
2005-06-30	570
2005-09-30	658
2005-12-31	505
2006-03-31	617
2006-06-30	2131
2006-09-30	1666
2006-12-31	1550
2007-03-31	1406
2007-06-30	1206
2007-09-30	2367
2007-12-31	2714
2008-03-31	2924
2008-06-30	3182
2008-09-30	2951
2008-12-31	2767
2009-03-31	2908
2009-06-30	3495
2009-09-30	3466
2009-12-31	2819
2010-03-31	2760
2010-06-30	2551
2010-09-30	666
2010-12-31	753
2011-03-31	769
2011-06-30	10237
2011-09-30	13529
2011-12-31	4559
2012-03-31	2669
2012-06-30	613
2012-09-30	638
2012-12-31	768
2013-03-31	1451
2013-06-30	833
2013-09-30	802
2013-12-31	774
2014-03-31	1542
2014-06-30	1248
2014-09-30	1564
2014-12-31	1487
2015-03-31	1467
2015-06-30	2429
2015-09-30	3098
2015-12-31	2484
2016-03-31	2380
2016-06-30	2394
2016-09-30	3735
2016-12-31	2473
2017-03-31	2371
2017-06-30	2929
2017-09-30	2870
2017-12-31	3768
2018-03-31	3004
2018-06-30	2981
2018-09-30	2783
2018-12-31	2840
2019-03-31	3957
2019-06-30	3118
2019-09-30	3675
2019-12-31	3601
2020-03-31	3268
2020-06-30	2457
2020-09-30	4003
2020-12-31	3747
2021-03-31	4284
2021-06-30	4599
2021-09-30	4403
2021-12-31	5280
2022-03-31	5140
2022-06-30	5158
2022-09-30	4937
2022-12-31	4499
2023-03-31	4840
2023-06-30	4264
2023-09-30	3836