Quarter	US dollars
2004-12-31	85482
2005-03-31	110770
2005-06-30	102518
2005-09-30	121651
2005-12-31	128252
2006-03-31	116803
2006-06-30	119913
2006-09-30	130856
2006-12-31	124651
2007-03-31	140039
2007-06-30	130296
2007-09-30	167513
2007-12-31	129554
2008-03-31	180465
2008-06-30	157700
2008-09-30	202161
2008-12-31	180341
2009-03-31	182286
2009-06-30	185237
2009-09-30	144941
2009-12-31	144831
2010-03-31	145916
2010-06-30	137441
2010-09-30	153559
2010-12-31	157935
2011-03-31	146947
2011-06-30	150684
2011-09-30	132222
2011-12-31	111180
2012-03-31	139346
2012-06-30	111358
2012-09-30	108867
2012-12-31	96137
2013-03-31	90532
2013-06-30	124965
2013-09-30	116762
2013-12-31	91630
2014-03-31	132925
2014-06-30	134517
2014-09-30	123060
2014-12-31	98138
2015-03-31	106021
2015-06-30	87719
2015-09-30	84298
2015-12-31	73161
2016-03-31	68044
2016-06-30	90682
2016-09-30	65124
2016-12-31	60034
2017-03-31	62157
2017-06-30	53532
2017-09-30	63354
2017-12-31	68515
2018-03-31	60228
2018-06-30	63917
2018-09-30	58113
2018-12-31	56194
2019-03-31	52817
2019-06-30	63345
2019-09-30	55510
2019-12-31	52367
2020-03-31	78614
2020-06-30	58923
2020-09-30	56102
2020-12-31	54758
2021-03-31	67192
2021-06-30	71993
2021-09-30	74389
2021-12-31	67516
2022-03-31	70121
2022-06-30	62275
2022-09-30	59819
2022-12-31	51758
2023-03-31	62533
2023-06-30	63575
2023-09-30	61067