Quarter	US dollars
2004-12-31	175
2005-03-31	176
2005-06-30	244
2005-09-30	283
2005-12-31	275
2006-03-31	304
2006-06-30	364
2006-09-30	291
2006-12-31	247
2007-03-31	331
2007-06-30	421
2007-09-30	389
2007-12-31	440
2008-03-31	612
2008-06-30	802
2008-09-30	806
2008-12-31	679
2009-03-31	741
2009-06-30	891
2009-09-30	1048
2009-12-31	1072
2010-03-31	1233
2010-06-30	1338
2010-09-30	1514
2010-12-31	1492
2011-03-31	1683
2011-06-30	1712
2011-09-30	1584
2011-12-31	1543
2012-03-31	1603
2012-06-30	1358
2012-09-30	1379
2012-12-31	1434
2013-03-31	1612
2013-06-30	1614
2013-09-30	1579
2013-12-31	1889
2014-03-31	1761
2014-06-30	1881
2014-09-30	1916
2014-12-31	1898
2015-03-31	1776
2015-06-30	1889
2015-09-30	1460
2015-12-31	1522
2016-03-31	1586
2016-06-30	1500
2016-09-30	1545
2016-12-31	1395
2017-03-31	1597
2017-06-30	1513
2017-09-30	1606
2017-12-31	1640
2018-03-31	1325
2018-06-30	1392
2018-09-30	1279
2018-12-31	1306
2019-03-31	1216
2019-06-30	1279
2019-09-30	1191
2019-12-31	1258
2020-03-31	1346
2020-06-30	1335
2020-09-30	1603
2020-12-31	1568
2021-03-31	1491
2021-06-30	1523
2021-09-30	1517
2021-12-31	1582
2022-03-31	1295
2022-06-30	1111
2022-09-30	1115
2022-12-31	1051
2023-03-31	927
2023-06-30	855
2023-09-30	738