Quarter	US dollars
2004-12-31	1365
2005-03-31	2641
2005-06-30	4390
2005-09-30	4349
2005-12-31	3607
2006-03-31	2680
2006-06-30	2454
2006-09-30	2681
2006-12-31	1679
2007-03-31	2099
2007-06-30	3204
2007-09-30	2905
2007-12-31	3434
2008-03-31	6235
2008-06-30	3873
2008-09-30	3295
2008-12-31	2990
2009-03-31	3101
2009-06-30	2031
2009-09-30	2223
2009-12-31	5214
2010-03-31	2158
2010-06-30	1583
2010-09-30	2117
2010-12-31	1874
2011-03-31	2336
2011-06-30	1211
2011-09-30	1003
2011-12-31	1013
2012-03-31	467
2012-06-30	212
2012-09-30	178
2012-12-31	753
2013-03-31	5533
2013-06-30	5920
2013-09-30	7326
2013-12-31	10018
2014-03-31	10029
2014-06-30	8786
2014-09-30	9435
2014-12-31	8491
2015-03-31	107
2015-06-30	245
2015-09-30	65
2015-12-31	625
2016-03-31	581
2016-06-30	43
2016-09-30	894
2016-12-31	1120
2017-03-31	1964
2017-06-30	1407
2017-09-30	2105
2017-12-31	2330
2018-03-31	4658
2018-06-30	5725
2018-09-30	6359
2018-12-31	7352
2019-03-31	5181
2019-06-30	4274
2019-09-30	2861
2019-12-31	2893
2020-03-31	3525
2020-06-30	730
2020-09-30	495
2020-12-31	762
2021-03-31	250
2021-06-30	311
2021-09-30	262
2021-12-31	284
2022-03-31	357
2022-06-30	379
2022-09-30	247
2022-12-31	388
2023-03-31	431
2023-06-30	247
2023-09-30	979