Quarter	US dollars
2004-12-31	200
2005-03-31	208
2005-06-30	357
2005-09-30	322
2005-12-31	336
2006-03-31	349
2006-06-30	359
2006-09-30	415
2006-12-31	438
2007-03-31	408
2007-06-30	327
2007-09-30	367
2007-12-31	872
2008-03-31	1938
2008-06-30	1704
2008-09-30	1340
2008-12-31	4311
2009-03-31	4249
2009-06-30	4743
2009-09-30	4627
2009-12-31	4849
2010-03-31	5600
2010-06-30	5751
2010-09-30	6025
2010-12-31	6495
2011-03-31	6192
2011-06-30	5873
2011-09-30	5999
2011-12-31	6460
2012-03-31	6087
2012-06-30	5841
2012-09-30	6090
2012-12-31	3903
2013-03-31	4471
2013-06-30	4750
2013-09-30	4392
2013-12-31	2216
2014-03-31	2951
2014-06-30	2493
2014-09-30	2626
2014-12-31	2415
2015-03-31	2675
2015-06-30	2117
2015-09-30	2137
2015-12-31	2669
2016-03-31	2472
2016-06-30	2748
2016-09-30	3163
2016-12-31	2725
2017-03-31	2717
2017-06-30	3024
2017-09-30	2577
2017-12-31	2865
2018-03-31	2738
2018-06-30	3093
2018-09-30	3818
2018-12-31	4150
2019-03-31	4508
2019-06-30	4158
2019-09-30	4944
2019-12-31	5030
2020-03-31	6564
2020-06-30	6259
2020-09-30	5046
2020-12-31	4738
2021-03-31	4638
2021-06-30	4613
2021-09-30	4779
2021-12-31	4772
2022-03-31	4857
2022-06-30	4918
2022-09-30	4805
2022-12-31	6374
2023-03-31	5838
2023-06-30	5257
2023-09-30	4731