Quarter	US dollars
1999-09-30	41
1999-12-31	105
2000-03-31	73
2000-06-30	86
2000-09-30	118
2000-12-31	136
2001-03-31	131
2001-06-30	143
2001-09-30	150
2001-12-31	159
2002-03-31	152
2002-06-30	177
2002-09-30	118
2002-12-31	190
2003-03-31	221
2003-06-30	188
2003-09-30	282
2003-12-31	263
2004-03-31	210
2004-06-30	198
2004-09-30	261
2004-12-31	244
2005-03-31	291
2005-06-30	235
2005-09-30	226
2005-12-31	216
2006-03-31	227
2006-06-30	605
2006-09-30	248
2006-12-31	337
2007-03-31	410
2007-06-30	415
2007-09-30	385
2007-12-31	534
2008-03-31	437
2008-06-30	444
2008-09-30	385
2008-12-31	361
2009-03-31	353
2009-06-30	331
2009-09-30	470
2009-12-31	315
2010-03-31	197
2010-06-30	177
2010-09-30	227
2010-12-31	205
2011-03-31	228
2011-06-30	185
2011-09-30	206
2011-12-31	170
2012-03-31	155
2012-06-30	163
2012-09-30	100
2012-12-31	160
2013-03-31	252
2013-06-30	123
2013-09-30	81
2013-12-31	109
2014-03-31	95
2014-06-30	176
2014-09-30	146
2014-12-31	134
2015-03-31	218
2015-06-30	187
2015-09-30	267
2015-12-31	559
2016-03-31	671
2016-06-30	278
2016-09-30	534
2016-12-31	87
2017-03-31	629
2017-06-30	457
2017-09-30	80
2017-12-31	88
2018-03-31	58
2018-06-30	144
2018-09-30	510
2018-12-31	56
2019-03-31	880
2019-06-30	835
2019-09-30	335
2019-12-31	382
2020-03-31	69
2020-06-30	85
2020-09-30	1007
2020-12-31	644
2021-03-31	190
2021-06-30	339
2021-09-30	384
2021-12-31	1094
2022-03-31	1156
2022-06-30	1440
2022-09-30	774
2022-12-31	870
2023-03-31	575
2023-06-30	1036
2023-09-30	56