Quarter	US dollars
2004-12-31	104
2005-03-31	79
2005-06-30	45
2005-09-30	306
2005-12-31	331
2006-03-31	461
2006-06-30	266
2006-09-30	813
2006-12-31	151
2007-03-31	251
2007-06-30	756
2007-09-30	2429
2007-12-31	1425
2008-03-31	1006
2008-06-30	902
2008-09-30	1126
2008-12-31	1044
2009-03-31	1627
2009-06-30	2829
2009-09-30	5351
2009-12-31	7354
2010-03-31	7908
2010-06-30	7221
2010-09-30	3545
2010-12-31	4809
2011-03-31	4855
2011-06-30	4905
2011-09-30	4963
2011-12-31	4668
2012-03-31	5330
2012-06-30	4933
2012-09-30	4163
2012-12-31	3093
2013-03-31	2881
2013-06-30	2410
2013-09-30	2520
2013-12-31	2813
2014-03-31	2413
2014-06-30	3030
2014-09-30	2456
2014-12-31	3468
2015-03-31	3244
2015-06-30	4920
2015-09-30	4171
2015-12-31	3271
2016-03-31	3859
2016-06-30	3604
2016-09-30	2698
2016-12-31	2544
2017-03-31	2120
2017-06-30	4454
2017-09-30	4391
2017-12-31	4404
2018-03-31	4380
2018-06-30	1826
2018-09-30	2758
2018-12-31	2947
2019-03-31	2476
2019-06-30	2131
2019-09-30	2479
2019-12-31	1513
2020-03-31	2627
2020-06-30	2291
2020-09-30	2399
2020-12-31	2913
2021-03-31	3321
2021-06-30	3177
2021-09-30	2412
2021-12-31	2276
2022-03-31	1758
2022-06-30	3668
2022-09-30	4951
2022-12-31	5826
2023-03-31	5891
2023-06-30	4713
2023-09-30	3183