Quarter	US dollars
2004-12-31	655
2005-03-31	620
2005-06-30	600
2005-09-30	822
2005-12-31	1080
2006-03-31	1197
2006-06-30	952
2006-09-30	448
2006-12-31	988
2007-03-31	1659
2007-06-30	2570
2007-09-30	2700
2007-12-31	2244
2008-03-31	1413
2008-06-30	1576
2008-09-30	1235
2008-12-31	1252
2009-03-31	1222
2009-06-30	758
2009-09-30	696
2009-12-31	859
2010-03-31	673
2010-06-30	721
2010-09-30	622
2010-12-31	598
2011-03-31	378
2011-06-30	154
2011-09-30	449
2011-12-31	376
2012-03-31	82
2012-06-30	85
2012-09-30	173
2012-12-31	207
2013-03-31	124
2013-06-30	135
2013-09-30	554
2013-12-31	481
2014-03-31	474
2014-06-30	433
2014-09-30	426
2014-12-31	395
2015-03-31	439
2015-06-30	464
2015-09-30	418
2015-12-31	400
2016-03-31	355
2016-06-30	97
2016-09-30	135
2016-12-31	285
2017-03-31	258
2017-06-30	233
2017-09-30	381
2017-12-31	350
2018-03-31	344
2018-06-30	310
2018-09-30	340
2018-12-31	352
2019-03-31	292
2019-06-30	336
2019-09-30	419
2019-12-31	415
2020-03-31	284
2020-06-30	142
2020-09-30	141
2020-12-31	673
2021-03-31	494
2021-06-30	145
2021-09-30	154
2021-12-31	148
2022-03-31	150
2022-06-30	159
2022-09-30	245
2022-12-31	285
2023-03-31	63
2023-06-30	45
2023-09-30	11