Quarter	US dollars
2004-12-31	3189
2005-03-31	3945
2005-06-30	2723
2005-09-30	4466
2005-12-31	3620
2006-03-31	4492
2006-06-30	3769
2006-09-30	2728
2006-12-31	2532
2007-03-31	3185
2007-06-30	2965
2007-09-30	3816
2007-12-31	3078
2008-03-31	3593
2008-06-30	2935
2008-09-30	2618
2008-12-31	2102
2009-03-31	2392
2009-06-30	3473
2009-09-30	2626
2009-12-31	2325
2010-03-31	2601
2010-06-30	3278
2010-09-30	2422
2010-12-31	2207
2011-03-31	2924
2011-06-30	2107
2011-09-30	2036
2011-12-31	1293
2012-03-31	1841
2012-06-30	1139
2012-09-30	1321
2012-12-31	655
2013-03-31	776
2013-06-30	1051
2013-09-30	993
2013-12-31	246
2014-03-31	1050
2014-06-30	737
2014-09-30	830
2014-12-31	734
2015-03-31	978
2015-06-30	895
2015-09-30	551
2015-12-31	538
2016-03-31	761
2016-06-30	859
2016-09-30	1164
2016-12-31	504
2017-03-31	1391
2017-06-30	1583
2017-09-30	1304
2017-12-31	1813
2018-03-31	2419
2018-06-30	2115
2018-09-30	1785
2018-12-31	414
2019-03-31	499
2019-06-30	75
2019-09-30	347
2019-12-31	169
2020-03-31	929
2020-06-30	104
2020-09-30	65
2020-12-31	229
2021-03-31	283
2021-06-30	482
2021-09-30	232
2021-12-31	148
2022-03-31	97
2022-06-30	268
2022-09-30	327
2022-12-31	347
2023-03-31	917
2023-06-30	414
2023-09-30	6