Quarter	US dollars
2004-12-31	79
2005-03-31	81
2005-06-30	90
2005-09-30	97
2005-12-31	115
2006-03-31	99
2006-06-30	129
2006-09-30	120
2006-12-31	84
2007-03-31	1187
2007-06-30	1176
2007-09-30	1436
2007-12-31	997
2008-03-31	994
2008-06-30	603
2008-09-30	1069
2008-12-31	963
2009-03-31	550
2009-06-30	548
2009-09-30	630
2009-12-31	606
2010-03-31	869
2010-06-30	645
2010-09-30	652
2010-12-31	730
2011-03-31	955
2011-06-30	1418
2011-09-30	1184
2011-12-31	1673
2012-03-31	1668
2012-06-30	1649
2012-09-30	1781
2012-12-31	1770
2013-03-31	1810
2013-06-30	1485
2013-09-30	1606
2013-12-31	1572
2014-03-31	1586
2014-06-30	1428
2014-09-30	1517
2014-12-31	1583
2015-03-31	1534
2015-06-30	1585
2015-09-30	1490
2015-12-31	1581
2016-03-31	1452
2016-06-30	1264
2016-09-30	1237
2016-12-31	1569
2017-03-31	1657
2017-06-30	518
2017-09-30	616
2017-12-31	496
2018-03-31	505
2018-06-30	470
2018-09-30	608
2018-12-31	584
2019-03-31	895
2019-06-30	617
2019-09-30	552
2019-12-31	964
2020-03-31	1027
2020-06-30	302
2020-09-30	806
2020-12-31	263
2021-03-31	367
2021-06-30	456
2021-09-30	333
2021-12-31	686
2022-03-31	341
2022-06-30	345
2022-09-30	385
2022-12-31	398
2023-03-31	279
2023-06-30	80
2023-09-30	207