Quarter	US dollars
2004-12-31	115
2005-03-31	134
2005-06-30	122
2005-09-30	131
2005-12-31	295
2006-03-31	326
2006-06-30	318
2006-09-30	329
2006-12-31	335
2007-03-31	322
2007-06-30	389
2007-09-30	440
2007-12-31	579
2008-03-31	453
2008-06-30	133
2008-09-30	134
2008-12-31	29
2009-03-31	6
2009-06-30	148
2009-09-30	160
2009-12-31	152
2010-03-31	402
2010-06-30	144
2010-09-30	170
2010-12-31	45
2011-03-31	474
2011-06-30	39
2011-09-30	81
2011-12-31	66
2012-03-31	219
2012-06-30	232
2012-09-30	764
2012-12-31	1154
2013-03-31	1240
2013-06-30	654
2013-09-30	180
2013-12-31	309
2014-03-31	85
2014-06-30	221
2014-09-30	553
2014-12-31	190
2015-03-31	725
2015-06-30	838
2015-09-30	688
2015-12-31	815
2016-03-31	489
2016-06-30	203
2016-09-30	447
2016-12-31	480
2017-03-31	853
2017-06-30	2115
2017-09-30	2554
2017-12-31	2921
2018-03-31	3134
2018-06-30	3393
2018-09-30	2707
2018-12-31	3100
2019-03-31	4563
2019-06-30	4942
2019-09-30	5147
2019-12-31	4203
2020-03-31	4520
2020-06-30	4448
2020-09-30	3933
2020-12-31	3422
2021-03-31	3310
2021-06-30	2840
2021-09-30	3131
2021-12-31	2756
2022-03-31	3109
2022-06-30	3141
2022-09-30	3108
2022-12-31	2524
2023-03-31	3265
2023-06-30	2391
2023-09-30	2280