Quarter	US dollars
2004-12-31	319
2005-03-31	297
2005-06-30	314
2005-09-30	350
2005-12-31	254
2006-03-31	279
2006-06-30	399
2006-09-30	417
2006-12-31	712
2007-03-31	657
2007-06-30	925
2007-09-30	919
2007-12-31	1145
2008-03-31	572
2008-06-30	639
2008-09-30	691
2008-12-31	480
2009-03-31	499
2009-06-30	555
2009-09-30	528
2009-12-31	321
2010-03-31	102
2010-06-30	328
2010-09-30	463
2010-12-31	440
2011-03-31	305
2011-06-30	368
2011-09-30	352
2011-12-31	323
2012-03-31	291
2012-06-30	568
2012-09-30	489
2012-12-31	399
2013-03-31	430
2013-06-30	640
2013-09-30	366
2013-12-31	466
2014-03-31	545
2014-06-30	415
2014-09-30	464
2014-12-31	425
2015-03-31	419
2015-06-30	326
2015-09-30	377
2015-12-31	437
2016-03-31	439
2016-06-30	675
2016-09-30	581
2016-12-31	468
2017-03-31	567
2017-06-30	873
2017-09-30	657
2017-12-31	847
2018-03-31	954
2018-06-30	817
2018-09-30	1570
2018-12-31	967
2019-03-31	1083
2019-06-30	1553
2019-09-30	1461
2019-12-31	1908
2020-03-31	1730
2020-06-30	1237
2020-09-30	1553
2020-12-31	1669
2021-03-31	1454
2021-06-30	1108
2021-09-30	640
2021-12-31	939
2022-03-31	781
2022-06-30	1083
2022-09-30	843
2022-12-31	1054
2023-03-31	971
2023-06-30	595
2023-09-30	907