Quarter	US dollars
2004-12-31	54
2005-03-31	96
2005-06-30	104
2005-09-30	104
2005-12-31	100
2006-03-31	111
2006-06-30	124
2006-09-30	127
2006-12-31	133
2007-03-31	133
2007-06-30	169
2007-09-30	194
2007-12-31	159
2008-03-31	298
2008-06-30	396
2008-09-30	346
2008-12-31	346
2009-03-31	314
2009-06-30	277
2009-09-30	253
2009-12-31	263
2010-03-31	271
2010-06-30	241
2010-09-30	350
2010-12-31	342
2011-03-31	319
2011-06-30	341
2011-09-30	287
2011-12-31	391
2012-03-31	500
2012-06-30	513
2012-09-30	455
2012-12-31	566
2013-03-31	789
2013-06-30	763
2013-09-30	824
2013-12-31	729
2014-03-31	757
2014-06-30	725
2014-09-30	757
2014-12-31	760
2015-03-31	707
2015-06-30	646
2015-09-30	654
2015-12-31	645
2016-03-31	624
2016-06-30	581
2016-09-30	621
2016-12-31	619
2017-03-31	615
2017-06-30	512
2017-09-30	507
2017-12-31	555
2018-03-31	616
2018-06-30	680
2018-09-30	365
2018-12-31	667
2019-03-31	619
2019-06-30	734
2019-09-30	649
2019-12-31	818
2020-03-31	747
2020-06-30	153
2020-09-30	154
2020-12-31	164
2021-03-31	163
2021-06-30	129
2021-09-30	119
2021-12-31	121
2022-03-31	79
2022-06-30	80
2022-09-30	39
2022-12-31	49
2023-03-31	52
2023-06-30	52
2023-09-30	64