Quarter	US dollars
2004-12-31	13
2005-03-31	98
2005-06-30	2
2005-09-30	46
2005-12-31	182
2006-03-31	177
2006-06-30	189
2006-09-30	166
2006-12-31	186
2007-03-31	135
2007-06-30	389
2007-09-30	613
2007-12-31	583
2008-03-31	755
2008-06-30	886
2008-09-30	763
2008-12-31	587
2009-03-31	540
2009-06-30	499
2009-09-30	398
2009-12-31	404
2010-03-31	484
2010-06-30	388
2010-09-30	572
2010-12-31	560
2011-03-31	617
2011-06-30	562
2011-09-30	446
2011-12-31	345
2012-03-31	352
2012-06-30	328
2012-09-30	405
2012-12-31	406
2013-03-31	506
2013-06-30	355
2013-09-30	220
2013-12-31	326
2014-03-31	949
2014-06-30	896
2014-09-30	553
2014-12-31	151
2015-03-31	104
2015-06-30	39
2015-09-30	50
2015-12-31	123
2016-03-31	124
2016-06-30	125
2016-09-30	116
2016-12-31	92
2017-03-31	100
2017-06-30	108
2017-09-30	149
2017-12-31	28
2018-03-31	116
2018-06-30	32
2018-09-30	21
2018-12-31	23
2019-03-31	39
2019-06-30	176
2019-09-30	140
2019-12-31	42
2020-03-31	84
2020-06-30	185
2020-09-30	37
2020-12-31	33
2021-03-31	6
2021-06-30	88
2021-09-30	146
2021-12-31	51
2022-03-31	49
2022-06-30	70
2022-09-30	74
2022-12-31	48
2023-03-31	55
2023-06-30	58
2023-09-30	81