Quarter	US dollars
2004-12-31	357
2005-03-31	667
2005-06-30	419
2005-09-30	260
2005-12-31	192
2006-03-31	147
2006-06-30	242
2006-09-30	372
2006-12-31	464
2007-03-31	416
2007-06-30	554
2007-09-30	621
2007-12-31	287
2008-03-31	525
2008-06-30	392
2008-09-30	337
2008-12-31	385
2009-03-31	396
2009-06-30	390
2009-09-30	358
2009-12-31	759
2010-03-31	394
2010-06-30	471
2010-09-30	395
2010-12-31	808
2011-03-31	454
2011-06-30	398
2011-09-30	752
2011-12-31	595
2012-03-31	588
2012-06-30	362
2012-09-30	470
2012-12-31	451
2013-03-31	396
2013-06-30	402
2013-09-30	340
2013-12-31	7
2014-03-31	20
2014-06-30	36
2014-09-30	126
2014-12-31	100
2015-03-31	105
2015-06-30	137
2015-09-30	108
2015-12-31	110
2016-03-31	139
2016-06-30	118
2016-09-30	134
2016-12-31	112
2017-03-31	91
2017-06-30	148
2017-09-30	129
2017-12-31	162
2018-03-31	108
2018-06-30	145
2018-09-30	87
2018-12-31	74
2019-03-31	44
2019-06-30	108
2019-09-30	46
2019-12-31	45
2020-03-31	76
2020-06-30	90
2020-09-30	88
2020-12-31	143
2021-03-31	94
2021-06-30	181
2021-09-30	348
2021-12-31	255
2022-03-31	266
2022-06-30	206
2022-09-30	180
2022-12-31	208
2023-03-31	152
2023-06-30	119
2023-09-30	245