Quarter	US dollars
2004-12-31	336
2005-03-31	469
2005-06-30	324
2005-09-30	131
2005-12-31	196
2006-03-31	246
2006-06-30	366
2006-09-30	385
2006-12-31	339
2007-03-31	359
2007-06-30	199
2007-09-30	265
2007-12-31	321
2008-03-31	280
2008-06-30	155
2008-09-30	148
2008-12-31	190
2009-03-31	176
2009-06-30	186
2009-09-30	165
2009-12-31	179
2010-03-31	287
2010-06-30	332
2010-09-30	424
2010-12-31	321
2011-03-31	351
2011-06-30	326
2011-09-30	371
2011-12-31	518
2012-03-31	332
2012-06-30	409
2012-09-30	493
2012-12-31	618
2013-03-31	439
2013-06-30	698
2013-09-30	525
2013-12-31	519
2014-03-31	624
2014-06-30	744
2014-09-30	576
2014-12-31	229
2015-03-31	200
2015-06-30	162
2015-09-30	86
2015-12-31	122
2016-03-31	66
2016-06-30	103
2016-09-30	101
2016-12-31	192
2017-03-31	194
2017-06-30	207
2017-09-30	256
2017-12-31	227
2018-03-31	226
2018-06-30	71
2018-09-30	57
2018-12-31	52
2019-03-31	65
2019-06-30	85
2019-09-30	81
2019-12-31	29
2020-03-31	19
2020-06-30	80
2020-09-30	57
2020-12-31	153
2021-03-31	54
2021-06-30	48
2021-09-30	47
2021-12-31	78
2022-03-31	162
2022-06-30	193
2022-09-30	98
2022-12-31	138
2023-03-31	391
2023-06-30	422
2023-09-30	436