Quarter	US dollars
2004-12-31	2185
2005-03-31	2163
2005-06-30	1672
2005-09-30	1489
2005-12-31	-498
2006-03-31	1041
2006-06-30	655
2006-09-30	859
2006-12-31	1206
2007-03-31	1034
2007-06-30	1306
2007-09-30	1196
2007-12-31	567
2008-03-31	859
2008-06-30	1198
2008-09-30	722
2008-12-31	551
2009-03-31	421
2009-06-30	1377
2009-09-30	382
2009-12-31	265
2010-03-31	413
2010-06-30	1353
2010-09-30	-876
2010-12-31	1569
2011-03-31	741
2011-06-30	740
2011-09-30	936
2011-12-31	387
2012-03-31	460
2012-06-30	469
2012-09-30	250
2012-12-31	149
2013-03-31	240
2013-06-30	265
2013-09-30	243
2013-12-31	179
2014-03-31	183
2014-06-30	412
2014-09-30	366
2014-12-31	172
2015-03-31	226
2015-06-30	381
2015-09-30	612
2015-12-31	305
2016-03-31	236
2016-06-30	223
2016-09-30	226
2016-12-31	191
2017-03-31	163
2017-06-30	92
2017-09-30	170
2017-12-31	227
2018-03-31	271
2018-06-30	380
2018-09-30	421
2018-12-31	5835
2019-03-31	6576
2019-06-30	218
2019-09-30	230
2019-12-31	230
2020-03-31	268
2020-06-30	326
2020-09-30	110
2020-12-31	403
2021-03-31	461
2021-06-30	742
2021-09-30	375
2021-12-31	346
2022-03-31	350
2022-06-30	407
2022-09-30	402
2022-12-31	375
2023-03-31	537
2023-06-30	503
2023-09-30	521