Quarter	US dollars
2004-12-31	173
2005-03-31	166
2005-06-30	133
2005-09-30	126
2005-12-31	142
2006-03-31	278
2006-06-30	190
2006-09-30	209
2006-12-31	188
2007-03-31	218
2007-06-30	361
2007-09-30	310
2007-12-31	356
2008-03-31	423
2008-06-30	378
2008-09-30	326
2008-12-31	388
2009-03-31	343
2009-06-30	313
2009-09-30	251
2009-12-31	381
2010-03-31	396
2010-06-30	419
2010-09-30	462
2010-12-31	401
2011-03-31	415
2011-06-30	372
2011-09-30	545
2011-12-31	1096
2012-03-31	615
2012-06-30	571
2012-09-30	405
2012-12-31	576
2013-03-31	375
2013-06-30	572
2013-09-30	552
2013-12-31	532
2014-03-31	752
2014-06-30	773
2014-09-30	645
2014-12-31	656
2015-03-31	573
2015-06-30	354
2015-09-30	320
2015-12-31	384
2016-03-31	210
2016-06-30	342
2016-09-30	288
2016-12-31	579
2017-03-31	298
2017-06-30	461
2017-09-30	315
2017-12-31	281
2018-03-31	606
2018-06-30	621
2018-09-30	469
2018-12-31	647
2019-03-31	625
2019-06-30	515
2019-09-30	526
2019-12-31	568
2020-03-31	479
2020-06-30	436
2020-09-30	419
2020-12-31	439
2021-03-31	149
2021-06-30	162
2021-09-30	186
2021-12-31	178
2022-03-31	241
2022-06-30	289
2022-09-30	280
2022-12-31	251
2023-03-31	257
2023-06-30	352
2023-09-30	226