Quarter	US dollars
2004-12-31	36
2005-03-31	132
2005-06-30	118
2005-09-30	32
2005-12-31	45
2006-03-31	19
2006-06-30	17
2006-09-30	13
2006-12-31	14
2007-03-31	14
2007-06-30	173
2007-09-30	155
2007-12-31	297
2008-03-31	537
2008-06-30	595
2008-09-30	499
2008-12-31	382
2009-03-31	279
2009-06-30	259
2009-09-30	237
2009-12-31	244
2010-03-31	319
2010-06-30	217
2010-09-30	329
2010-12-31	153
2011-03-31	332
2011-06-30	385
2011-09-30	338
2011-12-31	147
2012-03-31	388
2012-06-30	383
2012-09-30	360
2012-12-31	618
2013-03-31	516
2013-06-30	475
2013-09-30	322
2013-12-31	365
2014-03-31	242
2014-06-30	284
2014-09-30	483
2014-12-31	514
2015-03-31	451
2015-06-30	321
2015-09-30	306
2015-12-31	502
2016-03-31	463
2016-06-30	360
2016-09-30	343
2016-12-31	209
2017-03-31	321
2017-06-30	286
2017-09-30	703
2017-12-31	400
2018-03-31	578
2018-06-30	322
2018-09-30	197
2018-12-31	550
2019-03-31	431
2019-06-30	246
2019-09-30	216
2019-12-31	221
2020-03-31	207
2020-06-30	72
2020-09-30	28
2020-12-31	57
2021-03-31	87
2021-06-30	151
2021-09-30	185
2021-12-31	86
2022-03-31	61
2022-06-30	54
2022-09-30	535
2022-12-31	320
2023-03-31	693
2023-06-30	447
2023-09-30	249