Quarter	US dollars
2004-12-31	93230
2005-03-31	104949
2005-06-30	101373
2005-09-30	111763
2005-12-31	104840
2006-03-31	118504
2006-06-30	124100
2006-09-30	136623
2006-12-31	144411
2007-03-31	137032
2007-06-30	156824
2007-09-30	200515
2007-12-31	209224
2008-03-31	214819
2008-06-30	215249
2008-09-30	233918
2008-12-31	170075
2009-03-31	168292
2009-06-30	175547
2009-09-30	174947
2009-12-31	162935
2010-03-31	166139
2010-06-30	172985
2010-09-30	171619
2010-12-31	172604
2011-03-31	190869
2011-06-30	180233
2011-09-30	150647
2011-12-31	145245
2012-03-31	156233
2012-06-30	153346
2012-09-30	160219
2012-12-31	145835
2013-03-31	151069
2013-06-30	143757
2013-09-30	147395
2013-12-31	152023
2014-03-31	141404
2014-06-30	152635
2014-09-30	152618
2014-12-31	153406
2015-03-31	149043
2015-06-30	143029
2015-09-30	147548
2015-12-31	131954
2016-03-31	145130
2016-06-30	154714
2016-09-30	152908
2016-12-31	152835
2017-03-31	161959
2017-06-30	174962
2017-09-30	179878
2017-12-31	183831
2018-03-31	159662
2018-06-30	154949
2018-09-30	155502
2018-12-31	156204
2019-03-31	166233
2019-06-30	167983
2019-09-30	167903
2019-12-31	177034
2020-03-31	184357
2020-06-30	167641
2020-09-30	159212
2020-12-31	156166
2021-03-31	159760
2021-06-30	161454
2021-09-30	165346
2021-12-31	183321
2022-03-31	181640
2022-06-30	177268
2022-09-30	158716
2022-12-31	164047
2023-03-31	173644
2023-06-30	176354
2023-09-30	181033