Quarter	US dollars
2004-12-31	534
2005-03-31	758
2005-06-30	1239
2005-09-30	1143
2005-12-31	632
2006-03-31	685
2006-06-30	821
2006-09-30	973
2006-12-31	838
2007-03-31	1194
2007-06-30	1762
2007-09-30	1656
2007-12-31	2132
2008-03-31	3426
2008-06-30	3451
2008-09-30	3760
2008-12-31	4363
2009-03-31	1776
2009-06-30	1611
2009-09-30	1630
2009-12-31	1807
2010-03-31	2145
2010-06-30	1635
2010-09-30	550
2010-12-31	628
2011-03-31	351
2011-06-30	440
2011-09-30	604
2011-12-31	629
2012-03-31	1636
2012-06-30	905
2012-09-30	304
2012-12-31	351
2013-03-31	229
2013-06-30	205
2013-09-30	316
2013-12-31	217
2014-03-31	525
2014-06-30	398
2014-09-30	472
2014-12-31	361
2015-03-31	624
2015-06-30	551
2015-09-30	535
2015-12-31	234
2016-03-31	549
2016-06-30	525
2016-09-30	401
2016-12-31	299
2017-03-31	334
2017-06-30	362
2017-09-30	432
2017-12-31	527
2018-03-31	529
2018-06-30	218
2018-09-30	206
2018-12-31	177
2019-03-31	229
2019-06-30	327
2019-09-30	341
2019-12-31	326
2020-03-31	527
2020-06-30	562
2020-09-30	470
2020-12-31	777
2021-03-31	610
2021-06-30	737
2021-09-30	632
2021-12-31	543
2022-03-31	862
2022-06-30	970
2022-09-30	1280
2022-12-31	1296
2023-03-31	1139
2023-06-30	1245
2023-09-30	1526