Quarter	US dollars
2004-12-31	273
2005-03-31	208
2005-06-30	204
2005-09-30	249
2005-12-31	400
2006-03-31	359
2006-06-30	329
2006-09-30	422
2006-12-31	532
2007-03-31	526
2007-06-30	568
2007-09-30	505
2007-12-31	633
2008-03-31	845
2008-06-30	917
2008-09-30	599
2008-12-31	746
2009-03-31	318
2009-06-30	321
2009-09-30	226
2009-12-31	307
2010-03-31	692
2010-06-30	684
2010-09-30	599
2010-12-31	457
2011-03-31	386
2011-06-30	920
2011-09-30	483
2011-12-31	475
2012-03-31	26
2012-06-30	864
2012-09-30	368
2012-12-31	137
2013-03-31	62
2013-06-30	76
2013-09-30	170
2013-12-31	93
2014-03-31	690
2014-06-30	627
2014-09-30	297
2014-12-31	164
2015-03-31	334
2015-06-30	159
2015-09-30	88
2015-12-31	102
2016-03-31	101
2016-06-30	68
2016-09-30	75
2016-12-31	162
2017-03-31	65
2017-06-30	43
2017-09-30	52
2017-12-31	66
2018-03-31	87
2018-06-30	83
2018-09-30	95
2018-12-31	47
2019-03-31	76
2019-06-30	80
2019-09-30	99
2019-12-31	71
2020-03-31	118
2020-06-30	66
2020-09-30	62
2020-12-31	22
2021-03-31	25
2021-06-30	76
2021-09-30	104
2021-12-31	49
2022-03-31	71
2022-06-30	16
2022-09-30	59
2022-12-31	23
2023-03-31	67
2023-06-30	92
2023-09-30	82