Quarter	US dollars
2004-12-31	84
2005-03-31	98
2005-06-30	108
2005-09-30	113
2005-12-31	93
2006-03-31	113
2006-06-30	224
2006-09-30	424
2006-12-31	552
2007-03-31	453
2007-06-30	684
2007-09-30	960
2007-12-31	757
2008-03-31	670
2008-06-30	677
2008-09-30	540
2008-12-31	463
2009-03-31	344
2009-06-30	324
2009-09-30	337
2009-12-31	342
2010-03-31	332
2010-06-30	385
2010-09-30	471
2010-12-31	374
2011-03-31	406
2011-06-30	79
2011-09-30	78
2011-12-31	79
2012-03-31	67
2012-06-30	75
2012-09-30	124
2012-12-31	168
2013-03-31	235
2013-06-30	253
2013-09-30	306
2013-12-31	221
2014-03-31	452
2014-06-30	260
2014-09-30	415
2014-12-31	351
2015-03-31	297
2015-06-30	327
2015-09-30	270
2015-12-31	218
2016-03-31	210
2016-06-30	385
2016-09-30	264
2016-12-31	151
2017-03-31	326
2017-06-30	799
2017-09-30	775
2017-12-31	955
2018-03-31	749
2018-06-30	1186
2018-09-30	576
2018-12-31	476
2019-03-31	370
2019-06-30	368
2019-09-30	482
2019-12-31	565
2020-03-31	552
2020-06-30	502
2020-09-30	385
2020-12-31	333
2021-03-31	304
2021-06-30	358
2021-09-30	383
2021-12-31	350
2022-03-31	604
2022-06-30	1424
2022-09-30	705
2022-12-31	621
2023-03-31	550
2023-06-30	355
2023-09-30	963