Quarter	US dollars
2004-12-31	94
2005-03-31	119
2005-06-30	143
2005-09-30	88
2005-12-31	218
2006-03-31	307
2006-06-30	301
2006-09-30	293
2006-12-31	198
2007-03-31	180
2007-06-30	177
2007-09-30	259
2007-12-31	593
2008-03-31	280
2008-06-30	577
2008-09-30	973
2008-12-31	877
2009-03-31	611
2009-06-30	934
2009-09-30	686
2009-12-31	525
2010-03-31	614
2010-06-30	636
2010-09-30	528
2010-12-31	286
2011-03-31	175
2011-06-30	364
2011-09-30	408
2011-12-31	518
2012-03-31	682
2012-06-30	565
2012-09-30	701
2012-12-31	488
2013-03-31	707
2013-06-30	631
2013-09-30	729
2013-12-31	1193
2014-03-31	1100
2014-06-30	1123
2014-09-30	906
2014-12-31	1149
2015-03-31	912
2015-06-30	695
2015-09-30	486
2015-12-31	403
2016-03-31	270
2016-06-30	322
2016-09-30	266
2016-12-31	123
2017-03-31	101
2017-06-30	734
2017-09-30	525
2017-12-31	322
2018-03-31	363
2018-06-30	759
2018-09-30	378
2018-12-31	504
2019-03-31	404
2019-06-30	378
2019-09-30	346
2019-12-31	520
2020-03-31	542
2020-06-30	412
2020-09-30	380
2020-12-31	409
2021-03-31	315
2021-06-30	825
2021-09-30	835
2021-12-31	261
2022-03-31	283
2022-06-30	370
2022-09-30	528
2022-12-31	492
2023-03-31	385
2023-06-30	286
2023-09-30	265