Quarter	US dollars
2004-12-31	223
2005-03-31	291
2005-06-30	212
2005-09-30	223
2005-12-31	257
2006-03-31	199
2006-06-30	113
2006-09-30	217
2006-12-31	241
2007-03-31	231
2007-06-30	307
2007-09-30	220
2007-12-31	323
2008-03-31	282
2008-06-30	322
2008-09-30	230
2008-12-31	185
2009-03-31	191
2009-06-30	211
2009-09-30	213
2009-12-31	255
2010-03-31	299
2010-06-30	443
2010-09-30	670
2010-12-31	351
2011-03-31	390
2011-06-30	854
2011-09-30	693
2011-12-31	1036
2012-03-31	1023
2012-06-30	936
2012-09-30	644
2012-12-31	902
2013-03-31	616
2013-06-30	643
2013-09-30	615
2013-12-31	522
2014-03-31	594
2014-06-30	521
2014-09-30	566
2014-12-31	688
2015-03-31	637
2015-06-30	439
2015-09-30	2961
2015-12-31	3564
2016-03-31	1237
2016-06-30	1433
2016-09-30	715
2016-12-31	956
2017-03-31	1007
2017-06-30	1052
2017-09-30	994
2017-12-31	1079
2018-03-31	775
2018-06-30	654
2018-09-30	515
2018-12-31	550
2019-03-31	1015
2019-06-30	825
2019-09-30	772
2019-12-31	483
2020-03-31	389
2020-06-30	483
2020-09-30	430
2020-12-31	459
2021-03-31	756
2021-06-30	434
2021-09-30	426
2021-12-31	539
2022-03-31	541
2022-06-30	404
2022-09-30	417
2022-12-31	387
2023-03-31	416
2023-06-30	288
2023-09-30	569