Quarter	US dollars
2004-12-31	288
2005-03-31	164
2005-06-30	443
2005-09-30	191
2005-12-31	46
2006-03-31	217
2006-06-30	324
2006-09-30	120
2006-12-31	816
2007-03-31	1028
2007-06-30	2624
2007-09-30	2109
2007-12-31	2192
2008-03-31	1771
2008-06-30	1455
2008-09-30	1572
2008-12-31	341
2009-09-30	398
2009-12-31	160
2010-03-31	429
2010-06-30	2478
2010-09-30	2384
2010-12-31	1495
2011-03-31	2028
2011-06-30	1872
2011-09-30	1276
2011-12-31	1243
2012-03-31	1146
2012-06-30	1159
2012-09-30	1239
2012-12-31	1011
2013-03-31	899
2013-06-30	837
2013-09-30	1064
2013-12-31	663
2014-03-31	625
2014-06-30	892
2014-09-30	520
2014-12-31	418
2015-03-31	439
2015-06-30	340
2015-09-30	288
2015-12-31	319
2016-03-31	338
2016-06-30	375
2016-09-30	270
2016-12-31	113
2017-03-31	28
2017-06-30	30
2017-09-30	30
2017-12-31	27
2018-03-31	27
2018-06-30	24
2018-09-30	22
2018-12-31	23
2019-03-31	14
2019-06-30	27
2019-09-30	30
2019-12-31	71
2020-03-31	74
2020-06-30	46
2020-09-30	53
2020-12-31	81
2021-03-31	57
2021-06-30	133
2021-09-30	132
2021-12-31	171
2022-03-31	154
2022-06-30	64
2022-09-30	61
2022-12-31	51
2023-03-31	75
2023-06-30	84
2023-09-30	79