Quarter	US dollars
2004-12-31	868
2005-03-31	1163
2005-06-30	989
2005-09-30	752
2005-12-31	946
2006-03-31	1039
2006-06-30	1089
2006-09-30	949
2006-12-31	932
2007-03-31	1985
2007-06-30	1619
2007-09-30	1579
2007-12-31	2290
2008-03-31	1765
2008-06-30	1745
2008-09-30	1390
2008-12-31	549
2009-03-31	499
2009-06-30	680
2009-09-30	830
2009-12-31	840
2010-03-31	699
2010-06-30	640
2010-09-30	728
2010-12-31	609
2011-03-31	439
2011-06-30	384
2011-09-30	371
2011-12-31	445
2012-03-31	476
2012-06-30	372
2012-09-30	577
2012-12-31	356
2013-03-31	311
2013-06-30	437
2013-09-30	474
2013-12-31	301
2014-03-31	308
2014-06-30	320
2014-09-30	383
2014-12-31	459
2015-03-31	310
2015-06-30	310
2015-09-30	286
2015-12-31	513
2016-03-31	490
2016-06-30	271
2016-09-30	278
2016-12-31	364
2017-03-31	275
2017-06-30	486
2017-09-30	526
2017-12-31	558
2018-03-31	429
2018-06-30	597
2018-09-30	982
2018-12-31	654
2019-03-31	962
2019-06-30	993
2019-09-30	912
2019-12-31	984
2020-03-31	1001
2020-06-30	555
2020-09-30	371
2020-12-31	1600
2021-03-31	777
2021-06-30	573
2021-09-30	1061
2021-12-31	1402
2022-03-31	1643
2022-06-30	1866
2022-09-30	1867
2022-12-31	1603
2023-03-31	2678
2023-06-30	1948
2023-09-30	2017