Quarter	US dollars
2004-12-31	-86
2005-03-31	-60
2005-06-30	-109
2005-09-30	-159
2005-12-31	-84
2006-03-31	-132
2006-06-30	-35
2006-09-30	-43
2006-12-31	593
2007-03-31	104
2007-06-30	26
2007-09-30	104
2007-12-31	161
2008-03-31	40
2008-06-30	141
2008-09-30	542
2008-12-31	109
2009-03-31	1270
2009-06-30	186
2009-09-30	166
2009-12-31	236
2010-03-31	244
2010-06-30	465
2010-09-30	366
2010-12-31	119
2011-03-31	362
2011-06-30	337
2011-09-30	421
2011-12-31	250
2012-03-31	336
2012-06-30	1198
2012-09-30	801
2012-12-31	686
2013-03-31	685
2013-06-30	598
2013-09-30	402
2013-12-31	342
2014-03-31	345
2014-06-30	287
2014-09-30	311
2014-12-31	393
2015-03-31	249
2015-06-30	401
2015-09-30	-217
2015-12-31	-84
2016-03-31	-194
2016-06-30	52
2016-09-30	-75
2016-12-31	112
2017-03-31	140
2017-06-30	307
2017-09-30	74
2017-12-31	230
2018-03-31	265
2018-06-30	372
2018-09-30	124
2018-12-31	294
2019-03-31	444
2019-06-30	283
2019-09-30	542
2019-12-31	275
2020-03-31	144
2020-06-30	120
2020-09-30	751
2020-12-31	823
2021-03-31	844
2021-06-30	231
2021-09-30	221
2021-12-31	301
2022-03-31	178
2022-06-30	125
2022-09-30	317
2022-12-31	257
2023-03-31	254
2023-06-30	80
2023-09-30	178