Quarter	US dollars
2004-12-31	217
2005-03-31	212
2005-06-30	117
2005-09-30	106
2005-12-31	105
2006-03-31	125
2006-06-30	172
2006-09-30	237
2006-12-31	180
2007-03-31	224
2007-06-30	381
2007-09-30	607
2007-12-31	551
2008-03-31	710
2008-06-30	350
2008-09-30	324
2008-12-31	533
2009-03-31	722
2009-06-30	469
2009-09-30	307
2009-12-31	367
2010-03-31	218
2010-06-30	280
2010-09-30	506
2010-12-31	459
2011-03-31	264
2011-06-30	576
2011-09-30	352
2011-12-31	173
2012-03-31	558
2012-06-30	486
2012-09-30	475
2012-12-31	346
2013-03-31	173
2013-06-30	182
2013-09-30	133
2013-12-31	218
2014-03-31	333
2014-06-30	168
2014-09-30	498
2014-12-31	312
2015-03-31	450
2015-06-30	263
2015-09-30	836
2015-12-31	287
2016-03-31	454
2016-06-30	581
2016-09-30	766
2016-12-31	969
2017-03-31	747
2017-06-30	423
2017-09-30	686
2017-12-31	521
2018-03-31	678
2018-06-30	706
2018-09-30	1172
2018-12-31	499
2019-03-31	386
2019-06-30	503
2019-09-30	999
2019-12-31	670
2020-03-31	377
2020-06-30	132
2020-09-30	118
2020-12-31	153
2021-03-31	361
2021-06-30	619
2021-09-30	510
2021-12-31	503
2022-03-31	569
2022-06-30	1120
2022-09-30	982
2022-12-31	960
2023-03-31	1174
2023-06-30	712
2023-09-30	372