Quarter	US dollars
2004-12-31	77
2005-03-31	95
2005-06-30	115
2005-09-30	143
2005-12-31	163
2006-03-31	137
2006-06-30	113
2006-09-30	157
2006-12-31	168
2007-03-31	535
2007-06-30	1142
2007-09-30	1387
2007-12-31	1342
2008-03-31	1719
2008-06-30	1485
2008-09-30	1331
2008-12-31	1226
2009-03-31	1304
2009-06-30	965
2009-09-30	1027
2009-12-31	935
2010-03-31	781
2010-06-30	670
2010-09-30	747
2010-12-31	709
2011-03-31	574
2011-06-30	830
2011-09-30	637
2011-12-31	806
2012-03-31	698
2012-06-30	707
2012-09-30	759
2012-12-31	540
2013-03-31	647
2013-06-30	582
2013-09-30	496
2013-12-31	504
2014-03-31	500
2014-06-30	521
2014-09-30	405
2014-12-31	514
2015-03-31	716
2015-06-30	451
2015-09-30	153
2015-12-31	150
2016-03-31	151
2016-06-30	205
2016-09-30	179
2016-12-31	201
2017-03-31	220
2017-06-30	359
2017-09-30	424
2017-12-31	432
2018-03-31	380
2018-06-30	362
2018-09-30	312
2018-12-31	281
2019-03-31	377
2019-06-30	181
2019-09-30	124
2019-12-31	145
2020-03-31	135
2020-06-30	122
2020-09-30	186
2020-12-31	191
2021-03-31	182
2021-06-30	80
2021-09-30	71
2021-12-31	15
2022-03-31	17
2022-06-30	16
2022-09-30	12
2022-12-31	256
2023-03-31	332
2023-06-30	344
2023-09-30	265