Quarter	US dollars
2004-12-31	173
2005-03-31	198
2005-06-30	247
2005-09-30	253
2005-12-31	280
2006-03-31	215
2006-06-30	152
2006-09-30	321
2006-12-31	284
2007-03-31	294
2007-06-30	369
2007-09-30	238
2007-12-31	325
2008-03-31	292
2008-06-30	279
2008-09-30	168
2008-12-31	193
2009-03-31	155
2009-06-30	216
2009-09-30	211
2009-12-31	254
2010-03-31	293
2010-06-30	440
2010-09-30	677
2010-12-31	358
2011-03-31	606
2011-06-30	1069
2011-09-30	699
2011-12-31	1045
2012-03-31	1026
2012-06-30	941
2012-09-30	656
2012-12-31	917
2013-03-31	621
2013-06-30	643
2013-09-30	614
2013-12-31	521
2014-03-31	589
2014-06-30	518
2014-09-30	532
2014-12-31	659
2015-03-31	612
2015-06-30	417
2015-09-30	2951
2015-12-31	3554
2016-03-31	1231
2016-06-30	1428
2016-09-30	708
2016-12-31	951
2017-03-31	982
2017-06-30	1030
2017-09-30	970
2017-12-31	1054
2018-03-31	748
2018-06-30	654
2018-09-30	515
2018-12-31	550
2019-03-31	1015
2019-06-30	825
2019-09-30	774
2019-12-31	485
2020-03-31	389
2020-06-30	484
2020-09-30	432
2020-12-31	459
2021-03-31	756
2021-06-30	434
2021-09-30	427
2021-12-31	565
2022-03-31	586
2022-06-30	434
2022-09-30	474
2022-12-31	448
2023-03-31	479
2023-06-30	346
2023-09-30	608