Quarter	US dollars
2004-12-31	134
2005-03-31	115
2005-06-30	109
2005-09-30	219
2005-12-31	165
2006-03-31	250
2006-06-30	4
2006-09-30	17
2006-12-31	16
2007-03-31	630
2007-06-30	309
2007-09-30	1229
2007-12-31	721
2008-03-31	543
2008-06-30	484
2008-09-30	1069
2008-12-31	942
2009-03-31	790
2009-06-30	751
2009-09-30	841
2009-12-31	717
2010-03-31	631
2010-06-30	841
2010-09-30	1925
2010-12-31	906
2011-03-31	811
2011-06-30	926
2011-09-30	879
2011-12-31	931
2012-03-31	1541
2012-06-30	2253
2012-09-30	1891
2012-12-31	1015
2013-03-31	987
2013-06-30	1781
2013-09-30	2382
2013-12-31	607
2014-03-31	530
2014-06-30	1424
2014-09-30	498
2014-12-31	780
2015-03-31	714
2015-06-30	942
2015-09-30	866
2015-12-31	981
2016-03-31	919
2016-06-30	873
2016-09-30	756
2016-12-31	737
2017-03-31	487
2017-06-30	9
2017-09-30	8
2017-12-31	5
2018-03-31	210
2018-06-30	193
2018-09-30	318
2018-12-31	406
2019-03-31	211
2019-06-30	213
2019-09-30	209
2019-12-31	351
2020-03-31	362
2020-06-30	295
2020-09-30	270
2020-12-31	210
2021-03-31	633
2021-06-30	748
2021-09-30	135
2021-12-31	208
2022-03-31	80
2022-06-30	448
2022-09-30	259
2022-12-31	41
2023-03-31	616
2023-06-30	691
2023-09-30	248