Quarter	US dollars
2004-12-31	188
2005-03-31	263
2005-06-30	486
2005-09-30	241
2005-12-31	173
2006-03-31	88
2006-06-30	120
2006-09-30	106
2006-12-31	746
2007-03-31	102
2007-06-30	124
2007-09-30	652
2007-12-31	645
2008-03-31	3256
2008-06-30	133
2008-09-30	137
2008-12-31	423
2009-03-31	29
2009-06-30	31
2009-09-30	34
2009-12-31	1623
2010-03-31	1148
2010-06-30	965
2010-09-30	2261
2010-12-31	2204
2011-03-31	2759
2011-06-30	3407
2011-09-30	2586
2011-12-31	359
2012-03-31	342
2012-06-30	762
2012-09-30	118
2012-12-31	697
2013-03-31	1514
2013-06-30	1162
2013-09-30	377
2013-12-31	321
2014-03-31	292
2014-06-30	97
2014-09-30	1336
2014-12-31	2007
2015-03-31	2386
2015-06-30	3413
2015-09-30	4224
2015-12-31	2728
2016-03-31	1787
2016-06-30	1642
2016-09-30	1672
2016-12-31	1658
2017-03-31	2855
2017-06-30	2577
2017-09-30	1008
2017-12-31	1385
2018-03-31	1301
2018-06-30	502
2018-09-30	374
2018-12-31	268
2019-03-31	676
2019-06-30	2464
2019-09-30	2869
2019-12-31	3415
2020-03-31	4061
2020-06-30	2771
2020-09-30	808
2020-12-31	340
2021-03-31	650
2021-06-30	911
2021-09-30	1270
2021-12-31	1035
2022-03-31	1246
2022-06-30	2083
2022-09-30	2294
2022-12-31	1047
2023-03-31	1966
2023-06-30	6548
2023-09-30	5340