Quarter	US dollars
2004-12-31	110515
2005-03-31	113507
2005-06-30	103556
2005-09-30	115481
2005-12-31	127746
2006-03-31	128820
2006-06-30	143562
2006-09-30	134692
2006-12-31	168852
2007-03-31	177198
2007-06-30	199149
2007-09-30	185035
2007-12-31	177312
2008-03-31	186912
2008-06-30	196606
2008-09-30	178335
2008-12-31	159595
2009-03-31	143385
2009-06-30	152089
2009-09-30	141632
2009-12-31	148925
2010-03-31	146131
2010-06-30	155404
2010-09-30	166400
2010-12-31	164290
2011-03-31	177930
2011-06-30	181293
2011-09-30	171053
2011-12-31	172947
2012-03-31	154237
2012-06-30	150484
2012-09-30	186629
2012-12-31	187814
2013-03-31	179562
2013-06-30	180583
2013-09-30	194780
2013-12-31	190376
2014-03-31	200583
2014-06-30	197286
2014-09-30	185423
2014-12-31	185679
2015-03-31	163688
2015-06-30	173110
2015-09-30	169860
2015-12-31	177795
2016-03-31	179787
2016-06-30	156782
2016-09-30	171058
2016-12-31	154766
2017-03-31	156641
2017-06-30	166121
2017-09-30	174062
2017-12-31	179103
2018-03-31	182196
2018-06-30	181341
2018-09-30	220885
2018-12-31	261682
2019-03-31	264789
2019-06-30	270209
2019-09-30	264682
2019-12-31	236857
2020-03-31	247775
2020-06-30	258485
2020-09-30	271292
2020-12-31	271490
2021-03-31	276530
2021-06-30	258169
2021-09-30	256242
2021-12-31	240515
2022-03-31	244378
2022-06-30	236518
2022-09-30	215173
2022-12-31	234273
2023-03-31	242525
2023-06-30	252731
2023-09-30	252221