Quarter	US dollars
2004-12-31	44
2005-03-31	45
2005-06-30	54
2005-09-30	60
2005-12-31	108
2006-03-31	92
2006-06-30	122
2006-09-30	120
2006-12-31	84
2007-03-31	1187
2007-06-30	1176
2007-09-30	1436
2007-12-31	989
2008-03-31	976
2008-06-30	585
2008-09-30	1067
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	728
2011-03-31	954
2011-06-30	1416
2011-09-30	1182
2011-12-31	1671
2012-03-31	1668
2012-06-30	1649
2012-09-30	1781
2012-12-31	1769
2013-03-31	1808
2013-06-30	1483
2013-09-30	1606
2013-12-31	1570
2014-03-31	1586
2014-06-30	1428
2014-09-30	1517
2014-12-31	1583
2015-03-31	1534
2015-06-30	1574
2015-09-30	1480
2015-12-31	1572
2016-03-31	1442
2016-06-30	1254
2016-09-30	1228
2016-12-31	1559
2017-03-31	1656
2017-06-30	518
2017-09-30	614
2017-12-31	496
2018-03-31	505
2018-06-30	470
2018-09-30	608
2018-12-31	567
2019-03-31	878
2019-06-30	585
2019-09-30	537
2019-12-31	950
2020-03-31	1024
2020-06-30	302
2020-09-30	805
2020-12-31	263
2021-03-31	366
2021-06-30	459
2021-09-30	316
2021-12-31	663
2022-03-31	316
2022-06-30	323
2022-09-30	367
2022-12-31	367
2023-03-31	269
2023-06-30	69
2023-09-30	110