Quarter	US dollars
2004-12-31	3145
2005-03-31	3866
2005-06-30	3495
2005-09-30	3699
2005-12-31	3306
2006-03-31	3500
2006-06-30	3482
2006-09-30	3301
2006-12-31	3360
2007-03-31	3903
2007-06-30	4003
2007-09-30	4107
2007-12-31	918
2008-03-31	682
2008-06-30	440
2008-09-30	132
2008-12-31	46
2009-03-31	27
2009-06-30	74
2009-09-30	289
2009-12-31	168
2010-03-31	205
2010-06-30	453
2010-09-30	564
2010-12-31	723
2011-03-31	840
2011-06-30	767
2011-09-30	977
2011-12-31	785
2012-03-31	702
2012-06-30	706
2012-09-30	1082
2012-12-31	23
2013-03-31	364
2013-06-30	504
2013-09-30	649
2013-12-31	30
2014-03-31	620
2014-06-30	292
2014-09-30	786
2014-12-31	242
2015-03-31	232
2015-06-30	38
2015-09-30	161
2015-12-31	39
2016-03-31	58
2016-06-30	162
2016-09-30	409
2016-12-31	34
2017-03-31	29
2017-06-30	62
2017-09-30	62
2017-12-31	120
2018-03-31	512
2018-06-30	374
2018-09-30	53
2018-12-31	36
2019-03-31	51
2019-06-30	69
2019-09-30	462
2019-12-31	160
2020-03-31	98
2020-06-30	114
2020-09-30	40
2020-12-31	31
2021-03-31	61
2021-06-30	58
2021-09-30	231
2021-12-31	183
2022-03-31	188
2022-06-30	636
2022-09-30	505
2022-12-31	508
2023-03-31	1118
2023-06-30	901
2023-09-30	897