Quarter	US dollars
2004-12-31	249696
2005-03-31	270647
2005-06-30	239675
2005-09-30	244565
2005-12-31	225676
2006-03-31	272473
2006-06-30	269257
2006-09-30	288636
2006-12-31	304744
2007-03-31	324591
2007-06-30	322388
2007-09-30	370302
2007-12-31	333370
2008-03-31	362138
2008-06-30	290447
2008-09-30	287078
2008-12-31	204004
2009-03-31	197672
2009-06-30	215629
2009-09-30	187542
2009-12-31	178342
2010-03-31	164844
2010-06-30	161121
2010-09-30	184103
2010-12-31	180582
2011-03-31	169506
2011-06-30	170290
2011-09-30	135092
2011-12-31	122434
2012-03-31	130347
2012-06-30	115670
2012-09-30	126141
2012-12-31	123005
2013-03-31	126819
2013-06-30	119073
2013-09-30	130328
2013-12-31	135130
2014-03-31	135545
2014-06-30	140736
2014-09-30	138734
2014-12-31	139590
2015-03-31	148439
2015-06-30	144594
2015-09-30	147689
2015-12-31	131379
2016-03-31	137776
2016-06-30	136510
2016-09-30	126134
2016-12-31	135471
2017-03-31	139903
2017-06-30	140404
2017-09-30	147767
2017-12-31	146317
2018-03-31	159050
2018-06-30	151716
2018-09-30	148889
2018-12-31	142671
2019-03-31	140376
2019-06-30	124064
2019-09-30	128431
2019-12-31	135011
2020-03-31	141196
2020-06-30	129622
2020-09-30	122079
2020-12-31	116145
2021-03-31	125014
2021-06-30	138235
2021-09-30	147942
2021-12-31	150386
2022-03-31	146055
2022-06-30	122289
2022-09-30	119576
2022-12-31	115471
2023-03-31	124025
2023-06-30	141263
2023-09-30	132870