Quarter	US dollars
2004-12-31	653
2005-03-31	766
2005-06-30	701
2005-09-30	585
2005-12-31	678
2006-03-31	846
2006-06-30	917
2006-09-30	829
2006-12-31	849
2007-03-31	902
2007-06-30	1583
2007-09-30	1286
2007-12-31	1644
2008-03-31	1461
2008-06-30	1047
2008-09-30	1301
2008-12-31	1049
2009-03-31	906
2009-06-30	939
2009-09-30	1073
2009-12-31	1027
2010-03-31	858
2010-06-30	990
2010-09-30	900
2010-12-31	925
2011-03-31	1124
2011-06-30	286
2011-09-30	340
2011-12-31	363
2012-03-31	267
2012-06-30	331
2012-09-30	407
2012-12-31	406
2013-03-31	337
2013-06-30	234
2013-09-30	277
2013-12-31	253
2014-03-31	192
2014-06-30	202
2014-09-30	250
2014-12-31	194
2015-03-31	291
2015-06-30	212
2015-09-30	194
2015-12-31	79
2016-03-31	407
2016-06-30	289
2016-09-30	453
2016-12-31	448
2017-03-31	431
2017-06-30	352
2017-09-30	474
2017-12-31	963
2018-03-31	805
2018-06-30	700
2018-09-30	1015
2018-12-31	918
2019-03-31	851
2019-06-30	760
2019-09-30	634
2019-12-31	610
2020-03-31	768
2020-06-30	505
2020-09-30	500
2020-12-31	637
2021-03-31	789
2021-06-30	679
2021-09-30	583
2021-12-31	759
2022-03-31	1368
2022-06-30	601
2022-09-30	568
2022-12-31	452
2023-03-31	439
2023-06-30	931
2023-09-30	622