Quarter	US dollars
2004-12-31	182
2005-03-31	185
2005-06-30	190
2005-09-30	187
2005-12-31	165
2006-03-31	165
2006-06-30	222
2006-09-30	41
2006-12-31	35
2007-03-31	126
2007-06-30	0
2007-09-30	0
2007-12-31	597
2008-03-31	489
2008-06-30	129
2008-09-30	201
2008-12-31	345
2009-03-31	1197
2009-06-30	1499
2009-09-30	1420
2009-12-31	1382
2010-03-31	3179
2010-06-30	2282
2010-09-30	4134
2010-12-31	4975
2011-03-31	6301
2011-06-30	3293
2011-09-30	1669
2011-12-31	2035
2012-03-31	1481
2012-06-30	1529
2012-09-30	869
2012-12-31	2905
2013-03-31	1228
2013-06-30	919
2013-09-30	1402
2013-12-31	1514
2014-03-31	1904
2014-06-30	1703
2014-09-30	1501
2014-12-31	1005
2015-03-31	886
2015-06-30	1342
2015-09-30	1463
2015-12-31	385
2016-03-31	3649
2016-06-30	3823
2016-09-30	8027
2016-12-31	4101
2017-03-31	3154
2017-06-30	6224
2017-09-30	6141
2017-12-31	5651
2018-03-31	6407
2018-06-30	4752
2018-09-30	4786
2018-12-31	5574
2019-03-31	5246
2019-06-30	3874
2019-09-30	4025
2019-12-31	4894
2020-03-31	4502
2020-06-30	4626
2020-09-30	4275
2020-12-31	4731
2021-03-31	4511
2021-06-30	4472
2021-09-30	4357
2021-12-31	4563
2022-03-31	4966
2022-06-30	5188
2022-09-30	4488
2022-12-31	4361
2023-03-31	2160
2023-06-30	2353
2023-09-30	2044