Quarter	US dollars
2004-12-31	645
2005-03-31	1125
2005-06-30	445
2005-09-30	370
2005-12-31	233
2006-03-31	371
2006-06-30	152
2006-09-30	504
2006-12-31	309
2007-03-31	473
2007-06-30	367
2007-09-30	770
2007-12-31	770
2008-03-31	932
2008-06-30	939
2008-09-30	654
2008-12-31	740
2009-03-31	985
2009-06-30	744
2009-09-30	705
2009-12-31	652
2010-03-31	673
2010-06-30	754
2010-09-30	1197
2010-12-31	623
2011-03-31	927
2011-06-30	994
2011-09-30	628
2011-12-31	564
2012-03-31	647
2012-06-30	670
2012-09-30	489
2012-12-31	511
2013-03-31	474
2013-06-30	607
2013-09-30	317
2013-12-31	446
2014-03-31	425
2014-06-30	395
2014-09-30	444
2014-12-31	300
2015-03-31	309
2015-06-30	374
2015-09-30	385
2015-12-31	313
2016-03-31	582
2016-06-30	631
2016-09-30	316
2016-12-31	187
2017-03-31	120
2017-06-30	370
2017-09-30	508
2017-12-31	585
2018-03-31	639
2018-06-30	665
2018-09-30	689
2018-12-31	732
2019-03-31	642
2019-06-30	479
2019-09-30	493
2019-12-31	375
2020-03-31	306
2020-06-30	206
2020-09-30	204
2020-12-31	229
2021-03-31	356
2021-06-30	300
2021-09-30	355
2021-12-31	565
2022-03-31	1150
2022-06-30	1104
2022-09-30	1239
2022-12-31	1331
2023-03-31	1388
2023-06-30	1501
2023-09-30	1755