Quarter	US dollars
2004-12-31	201733
2005-03-31	239109
2005-06-30	241039
2005-09-30	287927
2005-12-31	265484
2006-03-31	285015
2006-06-30	319597
2006-09-30	329347
2006-12-31	308869
2007-03-31	363282
2007-06-30	306875
2007-09-30	372306
2007-12-31	376256
2008-03-31	396814
2008-06-30	408341
2008-09-30	455633
2008-12-31	455915
2009-03-31	514987
2009-06-30	574541
2009-09-30	640097
2009-12-31	679842
2010-03-31	785661
2010-06-30	846851
2010-09-30	903983
2010-12-31	842759
2011-03-31	946374
2011-06-30	947317
2011-09-30	1032774
2011-12-31	1087898
2012-03-31	1202834
2012-06-30	1167926
2012-09-30	1131236
2012-12-31	1166680
2013-03-31	1025610
2013-06-30	1018402
2013-09-30	1004190
2013-12-31	951157
2014-03-31	974892
2014-06-30	894029
2014-09-30	912436
2014-12-31	933905
2015-03-31	886829
2015-06-30	910130
2015-09-30	928328
2015-12-31	881096
2016-03-31	925853
2016-06-30	975141
2016-09-30	948921
2016-12-31	874538
2017-03-31	896455
2017-06-30	973924
2017-09-30	1029451
2017-12-31	1033877
2018-03-31	1074406
2018-06-30	1029991
2018-09-30	1047675
2018-12-31	1044479
2019-03-31	1063767
2019-06-30	1078395
2019-09-30	1042180
2019-12-31	1064925
2020-03-31	1112385
2020-06-30	1206120
2020-09-30	1233191
2020-12-31	1319431
2021-03-31	1366250
2021-06-30	1339394
2021-09-30	1330044
2021-12-31	1334014
2022-03-31	1344348
2022-06-30	1303215
2022-09-30	1226446
2022-12-31	1300900
2023-03-31	1355617
2023-06-30	1395997
2023-09-30	1387528