Quarter	US dollars
2004-12-31	42
2005-03-31	43
2005-06-30	84
2005-09-30	203
2005-12-31	206
2006-03-31	175
2006-06-30	176
2006-09-30	198
2006-12-31	278
2007-03-31	186
2007-06-30	393
2007-09-30	275
2007-12-31	289
2008-03-31	602
2008-06-30	559
2008-09-30	905
2008-12-31	737
2009-03-31	835
2009-06-30	385
2009-09-30	341
2009-12-31	457
2010-03-31	173
2010-06-30	209
2010-09-30	222
2010-12-31	352
2011-03-31	587
2011-06-30	189
2011-09-30	235
2011-12-31	430
2012-03-31	417
2012-06-30	378
2012-09-30	389
2012-12-31	105
2013-03-31	263
2013-06-30	302
2013-09-30	233
2013-12-31	165
2014-03-31	258
2014-06-30	255
2014-09-30	397
2014-12-31	134
2015-03-31	248
2015-06-30	271
2015-09-30	282
2015-12-31	387
2016-03-31	193
2016-06-30	265
2016-09-30	247
2016-12-31	448
2017-03-31	220
2017-06-30	360
2017-09-30	288
2017-12-31	372
2018-03-31	368
2018-06-30	436
2018-09-30	447
2018-12-31	365
2019-03-31	215
2019-06-30	244
2019-09-30	325
2019-12-31	184
2020-03-31	79
2020-06-30	26
2020-09-30	-1
2020-12-31	71
2021-03-31	23
2021-06-30	48
2021-09-30	44
2021-12-31	12
2022-03-31	118
2022-06-30	128
2022-09-30	273
2022-12-31	283
2023-03-31	240
2023-06-30	158
2023-09-30	88