Quarter	US dollars
2004-12-31	113
2005-03-31	166
2005-06-30	181
2005-09-30	161
2005-12-31	240
2006-03-31	62
2006-06-30	109
2006-09-30	105
2006-12-31	474
2007-03-31	292
2007-06-30	271
2007-09-30	242
2007-12-31	319
2008-03-31	523
2008-06-30	285
2008-09-30	249
2008-12-31	315
2009-03-31	327
2009-06-30	685
2009-09-30	523
2009-12-31	283
2010-03-31	713
2010-06-30	592
2010-09-30	334
2010-12-31	363
2011-03-31	442
2011-06-30	766
2011-09-30	964
2011-12-31	1447
2012-03-31	1368
2012-06-30	1424
2012-09-30	1423
2012-12-31	1444
2013-03-31	903
2013-06-30	1414
2013-09-30	1404
2013-12-31	1499
2014-03-31	1801
2014-06-30	1691
2014-09-30	2048
2014-12-31	1779
2015-03-31	1461
2015-06-30	2109
2015-09-30	2437
2015-12-31	1743
2016-03-31	2204
2016-06-30	1500
2016-09-30	1229
2016-12-31	1530
2017-03-31	1241
2017-06-30	1452
2017-09-30	1210
2017-12-31	850
2018-03-31	519
2018-06-30	483
2018-09-30	636
2018-12-31	464
2019-03-31	457
2019-06-30	703
2019-09-30	663
2019-12-31	424
2020-03-31	461
2020-06-30	1038
2020-09-30	1049
2020-12-31	928
2021-03-31	1151
2021-06-30	611
2021-09-30	437
2021-12-31	433
2022-03-31	286
2022-06-30	1129
2022-09-30	1194
2022-12-31	789
2023-03-31	341
2023-06-30	184
2023-09-30	365