Quarter	US dollars
2004-12-31	140
2005-03-31	138
2005-06-30	142
2005-09-30	53
2005-12-31	331
2006-03-31	364
2006-06-30	281
2006-09-30	327
2006-12-31	417
2007-03-31	477
2007-06-30	411
2007-09-30	458
2007-12-31	452
2008-03-31	580
2008-06-30	641
2008-09-30	690
2008-12-31	622
2009-03-31	537
2009-06-30	578
2009-09-30	619
2009-12-31	699
2010-03-31	663
2010-06-30	642
2010-09-30	644
2010-12-31	606
2011-03-31	609
2011-06-30	515
2011-09-30	495
2011-12-31	543
2012-03-31	545
2012-06-30	580
2012-09-30	585
2012-12-31	614
2013-03-31	671
2013-06-30	676
2013-09-30	711
2013-12-31	626
2014-03-31	710
2014-06-30	655
2014-09-30	679
2014-12-31	534
2015-03-31	502
2015-06-30	495
2015-09-30	539
2015-12-31	528
2016-03-31	555
2016-06-30	549
2016-09-30	524
2016-12-31	541
2017-03-31	597
2017-06-30	183
2017-09-30	162
2017-12-31	190
2018-03-31	167
2018-06-30	165
2018-09-30	170
2018-12-31	175
2019-03-31	180
2019-06-30	193
2019-09-30	187
2019-12-31	196
2020-03-31	184
2020-06-30	183
2020-09-30	196
2020-12-31	198
2021-03-31	179
2021-06-30	231
2021-09-30	206
2021-12-31	214
2022-03-31	246
2022-06-30	219
2022-09-30	189
2022-12-31	171
2023-03-31	205
2023-06-30	172
2023-09-30	157