Quarter	US dollars
2004-12-31	84
2005-03-31	81
2005-06-30	99
2005-09-30	74
2005-12-31	55
2006-03-31	104
2006-06-30	279
2006-09-30	213
2006-12-31	108
2007-03-31	61
2007-06-30	80
2007-09-30	161
2007-12-31	109
2008-03-31	139
2008-06-30	306
2008-09-30	479
2008-12-31	473
2009-03-31	430
2009-06-30	308
2009-09-30	392
2009-12-31	442
2010-03-31	235
2010-06-30	809
2010-09-30	815
2010-12-31	1412
2011-03-31	917
2011-06-30	869
2011-09-30	924
2011-12-31	951
2012-03-31	949
2012-06-30	1104
2012-09-30	964
2012-12-31	762
2013-03-31	666
2013-06-30	716
2013-09-30	889
2013-12-31	816
2014-03-31	895
2014-06-30	680
2014-09-30	1091
2014-12-31	1108
2015-03-31	730
2015-06-30	466
2015-09-30	597
2015-12-31	707
2016-03-31	605
2016-06-30	411
2016-09-30	416
2016-12-31	555
2017-03-31	475
2017-06-30	885
2017-09-30	971
2017-12-31	1150
2018-03-31	718
2018-06-30	602
2018-09-30	819
2018-12-31	1036
2019-03-31	650
2019-06-30	664
2019-09-30	643
2019-12-31	502
2020-03-31	531
2020-06-30	659
2020-09-30	635
2020-12-31	397
2021-03-31	428
2021-06-30	528
2021-09-30	494
2021-12-31	357
2022-03-31	269
2022-06-30	772
2022-09-30	1407
2022-12-31	609
2023-03-31	298
2023-06-30	334
2023-09-30	289