Quarter	US dollars
2004-12-31	265
2005-03-31	233
2005-06-30	219
2005-09-30	287
2005-12-31	340
2006-03-31	283
2006-06-30	407
2006-09-30	448
2006-12-31	483
2007-03-31	524
2007-06-30	550
2007-09-30	489
2007-12-31	707
2008-03-31	823
2008-06-30	1033
2008-09-30	1206
2008-12-31	867
2009-03-31	874
2009-06-30	697
2009-09-30	800
2009-12-31	722
2010-03-31	824
2010-06-30	832
2010-09-30	1087
2010-12-31	1047
2011-03-31	1016
2011-06-30	1477
2011-09-30	1352
2011-12-31	1289
2012-03-31	1365
2012-06-30	1250
2012-09-30	1239
2012-12-31	1048
2013-03-31	1151
2013-06-30	1424
2013-09-30	1542
2013-12-31	1288
2014-03-31	1559
2014-06-30	2089
2014-09-30	1707
2014-12-31	1675
2015-03-31	1791
2015-06-30	2592
2015-09-30	1740
2015-12-31	1824
2016-03-31	1375
2016-06-30	1822
2016-09-30	1546
2016-12-31	1615
2017-03-31	1796
2017-06-30	2077
2017-09-30	2412
2017-12-31	2202
2018-03-31	2599
2018-06-30	3053
2018-09-30	3401
2018-12-31	2647
2019-03-31	3542
2019-06-30	3823
2019-09-30	2794
2019-12-31	2399
2020-03-31	2773
2020-06-30	3247
2020-09-30	2817
2020-12-31	2576
2021-03-31	3555
2021-06-30	4551
2021-09-30	4303
2021-12-31	4327
2022-03-31	3531
2022-06-30	3851
2022-09-30	3962
2022-12-31	5012
2023-03-31	5064
2023-06-30	4126
2023-09-30	3505