Quarter	US dollars
2004-12-31	90
2005-03-31	93
2005-06-30	70
2005-09-30	35
2005-12-31	93
2006-03-31	154
2006-06-30	229
2006-09-30	77
2006-12-31	20
2007-03-31	25
2007-06-30	12
2007-09-30	10
2007-12-31	1336
2008-03-31	56
2008-06-30	66
2008-09-30	12
2008-12-31	20
2009-03-31	17
2009-06-30	259
2009-09-30	389
2009-12-31	391
2010-03-31	422
2010-06-30	314
2010-09-30	236
2010-12-31	59
2011-03-31	183
2011-06-30	662
2011-09-30	600
2011-12-31	592
2012-03-31	431
2012-06-30	45
2012-09-30	123
2012-12-31	319
2013-03-31	322
2013-06-30	317
2013-09-30	325
2013-12-31	403
2014-03-31	367
2014-06-30	260
2014-09-30	251
2014-12-31	89
2015-03-31	159
2015-06-30	160
2015-09-30	332
2015-12-31	99
2016-03-31	538
2016-06-30	114
2016-09-30	318
2016-12-31	343
2017-03-31	769
2017-06-30	735
2017-09-30	712
2017-12-31	1327
2018-03-31	1086
2018-06-30	780
2018-09-30	716
2018-12-31	1087
2019-03-31	770
2019-06-30	607
2019-09-30	859
2019-12-31	1100
2020-03-31	1028
2020-06-30	1256
2020-09-30	1548
2020-12-31	860
2021-03-31	1119
2021-06-30	934
2021-09-30	378
2021-12-31	1658
2022-03-31	678
2022-06-30	322
2022-09-30	302
2022-12-31	247
2023-03-31	309
2023-06-30	418
2023-09-30	481