Quarter	US dollars
2004-12-31	50
2005-03-31	168
2005-06-30	204
2005-09-30	161
2005-12-31	239
2006-03-31	291
2006-06-30	224
2006-09-30	153
2006-12-31	18
2007-03-31	20
2007-06-30	34
2007-09-30	35
2007-12-31	319
2008-03-31	419
2008-06-30	408
2008-09-30	372
2008-12-31	139
2009-03-31	54
2009-06-30	219
2009-09-30	10
2009-12-31	10
2010-03-31	8
2010-06-30	85
2010-09-30	88
2010-12-31	85
2011-03-31	378
2011-06-30	559
2011-09-30	520
2011-12-31	612
2012-03-31	487
2012-06-30	304
2012-09-30	161
2012-12-31	40
2013-03-31	2
2013-06-30	44
2013-09-30	188
2013-12-31	304
2014-03-31	110
2014-06-30	154
2014-09-30	101
2014-12-31	44
2015-03-31	48
2015-06-30	85
2015-09-30	50
2015-12-31	96
2016-03-31	76
2016-06-30	67
2016-09-30	79
2016-12-31	2
2017-03-31	4
2017-06-30	3
2017-09-30	3
2017-12-31	3
2018-03-31	3
2018-06-30	41
2018-09-30	3
2018-12-31	13
2019-03-31	10
2019-06-30	48
2019-09-30	54
2019-12-31	3
2020-03-31	14
2020-06-30	64
2020-09-30	17
2020-12-31	51
2021-03-31	15
2021-06-30	54
2021-09-30	11
2021-12-31	12
2022-03-31	30
2022-06-30	31
2022-09-30	124
2022-12-31	663
2023-03-31	567
2023-06-30	17
2023-09-30	548