Quarter	US dollars
2004-12-31	419
2005-03-31	405
2005-06-30	366
2005-09-30	371
2005-12-31	319
2006-03-31	363
2006-06-30	390
2006-09-30	347
2006-12-31	364
2007-03-31	481
2007-06-30	486
2007-09-30	668
2007-12-31	593
2008-03-31	859
2008-06-30	1240
2008-09-30	1283
2008-12-31	766
2009-03-31	1038
2009-06-30	1021
2009-09-30	841
2009-12-31	777
2010-03-31	739
2010-06-30	1587
2010-09-30	1418
2010-12-31	1060
2011-03-31	1337
2011-06-30	800
2011-09-30	717
2011-12-31	635
2012-03-31	737
2012-06-30	684
2012-09-30	764
2012-12-31	645
2013-03-31	571
2013-06-30	713
2013-09-30	677
2013-12-31	719
2014-03-31	957
2014-06-30	583
2014-09-30	627
2014-12-31	487
2015-03-31	413
2015-06-30	377
2015-09-30	379
2015-12-31	323
2016-03-31	407
2016-06-30	383
2016-09-30	370
2016-12-31	324
2017-03-31	365
2017-06-30	394
2017-09-30	392
2017-12-31	261
2018-03-31	327
2018-06-30	401
2018-09-30	361
2018-12-31	300
2019-03-31	267
2019-06-30	192
2019-09-30	298
2019-12-31	225
2020-03-31	161
2020-06-30	121
2020-09-30	71
2020-12-31	61
2021-03-31	50
2021-06-30	39
2021-09-30	61
2021-12-31	35
2022-03-31	36
2022-06-30	1
2022-09-30	2
2022-12-31	2
2023-03-31	0
2023-06-30	0
2023-09-30	0