Quarter	US dollars
2004-12-31	649
2005-03-31	701
2005-06-30	593
2005-09-30	288
2005-12-31	268
2006-03-31	201
2006-06-30	292
2006-09-30	402
2006-12-31	454
2007-03-31	363
2007-06-30	425
2007-09-30	405
2007-12-31	285
2008-03-31	308
2008-06-30	322
2008-09-30	392
2008-12-31	434
2009-03-31	408
2009-06-30	352
2009-09-30	427
2009-12-31	770
2010-03-31	444
2010-06-30	1058
2010-09-30	490
2010-12-31	612
2011-03-31	526
2011-06-30	478
2011-09-30	924
2011-12-31	857
2012-03-31	1021
2012-06-30	781
2012-09-30	904
2012-12-31	878
2013-03-31	776
2013-06-30	781
2013-09-30	883
2013-12-31	476
2014-03-31	530
2014-06-30	414
2014-09-30	501
2014-12-31	504
2015-03-31	361
2015-06-30	439
2015-09-30	267
2015-12-31	252
2016-03-31	292
2016-06-30	273
2016-09-30	217
2016-12-31	188
2017-03-31	174
2017-06-30	252
2017-09-30	246
2017-12-31	292
2018-03-31	227
2018-06-30	243
2018-09-30	185
2018-12-31	170
2019-03-31	141
2019-06-30	93
2019-09-30	52
2019-12-31	49
2020-03-31	81
2020-06-30	99
2020-09-30	96
2020-12-31	147
2021-03-31	98
2021-06-30	185
2021-09-30	166
2021-12-31	259
2022-03-31	197
2022-06-30	210
2022-09-30	183
2022-12-31	211
2023-03-31	156
2023-06-30	122
2023-09-30	111