Quarter	US dollars
2004-12-31	344
2005-03-31	340
2005-06-30	335
2005-09-30	313
2005-12-31	319
2006-03-31	467
2006-06-30	533
2006-09-30	641
2006-12-31	710
2007-03-31	616
2007-06-30	598
2007-09-30	992
2007-12-31	792
2008-03-31	942
2008-06-30	937
2008-09-30	809
2008-12-31	815
2009-03-31	692
2009-06-30	624
2009-09-30	669
2009-12-31	567
2010-03-31	666
2010-06-30	887
2010-09-30	896
2010-12-31	744
2011-03-31	616
2011-06-30	355
2011-09-30	389
2011-12-31	359
2012-03-31	387
2012-06-30	384
2012-09-30	315
2012-12-31	495
2013-03-31	686
2013-06-30	487
2013-09-30	319
2013-12-31	302
2014-03-31	347
2014-06-30	330
2014-09-30	302
2014-12-31	504
2015-03-31	359
2015-06-30	297
2015-09-30	215
2015-12-31	276
2016-03-31	277
2016-06-30	248
2016-09-30	240
2016-12-31	258
2017-03-31	159
2017-06-30	129
2017-09-30	154
2017-12-31	273
2018-03-31	152
2018-06-30	170
2018-09-30	126
2018-12-31	132
2019-03-31	124
2019-06-30	122
2019-09-30	111
2019-12-31	128
2020-03-31	107
2020-06-30	136
2020-09-30	143
2020-12-31	132
2021-03-31	148
2021-06-30	131
2021-09-30	150
2021-12-31	575
2022-03-31	190
2022-06-30	149
2022-09-30	102
2022-12-31	96
2023-03-31	102
2023-06-30	118
2023-09-30	109