Quarter	US dollars
2004-12-31	290
2005-03-31	250
2005-06-30	208
2005-09-30	108
2005-12-31	122
2006-03-31	73
2006-06-30	76
2006-09-30	64
2006-12-31	70
2007-03-31	39
2007-06-30	34
2007-09-30	63
2007-12-31	173
2008-03-31	235
2008-06-30	185
2008-09-30	194
2008-12-31	145
2009-03-31	128
2009-06-30	143
2009-09-30	51
2009-12-31	34
2010-03-31	41
2010-06-30	105
2010-09-30	77
2010-12-31	108
2011-03-31	173
2011-06-30	353
2011-09-30	117
2011-12-31	88
2012-03-31	62
2012-06-30	144
2012-09-30	52
2012-12-31	13
2013-03-31	178
2013-06-30	252
2013-09-30	152
2013-12-31	489
2014-03-31	475
2014-06-30	390
2014-09-30	353
2014-12-31	268
2015-03-31	417
2015-06-30	168
2015-09-30	144
2015-12-31	107
2016-03-31	86
2016-06-30	140
2016-09-30	152
2016-12-31	132
2017-03-31	79
2017-06-30	287
2017-09-30	333
2017-12-31	422
2018-03-31	404
2018-06-30	148
2018-09-30	233
2018-12-31	211
2019-03-31	158
2019-06-30	280
2019-09-30	795
2019-12-31	893
2020-03-31	905
2020-06-30	675
2020-09-30	1013
2020-12-31	1062
2021-03-31	1181
2021-06-30	1585
2021-09-30	1539
2021-12-31	2092
2022-03-31	1894
2022-06-30	2158
2022-09-30	2209
2022-12-31	1445
2023-03-31	1685
2023-06-30	2267
2023-09-30	2187