Quarter	US dollars
2004-12-31	184
2005-03-31	367
2005-06-30	244
2005-09-30	462
2005-12-31	232
2006-03-31	252
2006-06-30	350
2006-09-30	389
2006-12-31	427
2007-03-31	418
2007-06-30	469
2007-09-30	336
2007-12-31	448
2008-03-31	584
2008-06-30	643
2008-09-30	588
2008-12-31	968
2009-03-31	426
2009-06-30	532
2009-09-30	598
2009-12-31	568
2010-03-31	743
2010-06-30	745
2010-09-30	901
2010-12-31	972
2011-03-31	1157
2011-06-30	1474
2011-09-30	1499
2011-12-31	1631
2012-03-31	1712
2012-06-30	1638
2012-09-30	1440
2012-12-31	1740
2013-03-31	1583
2013-06-30	1401
2013-09-30	1547
2013-12-31	1445
2014-03-31	1404
2014-06-30	1515
2014-09-30	1290
2014-12-31	1132
2015-03-31	1243
2015-06-30	1150
2015-09-30	1080
2015-12-31	966
2016-03-31	1113
2016-06-30	898
2016-09-30	600
2016-12-31	1003
2017-03-31	734
2017-06-30	418
2017-09-30	345
2017-12-31	469
2018-03-31	310
2018-06-30	329
2018-09-30	257
2018-12-31	275
2019-03-31	423
2019-06-30	323
2019-09-30	331
2019-12-31	288
2020-03-31	321
2020-06-30	318
2020-09-30	289
2020-12-31	306
2021-03-31	356
2021-06-30	325
2021-09-30	290
2021-12-31	408
2022-03-31	480
2022-06-30	492
2022-09-30	432
2022-12-31	791
2023-03-31	400
2023-06-30	467
2023-09-30	445