Quarter	US dollars
2004-12-31	207
2005-03-31	157
2005-06-30	73
2005-09-30	195
2005-12-31	251
2006-03-31	243
2006-06-30	277
2006-09-30	377
2006-12-31	327
2007-03-31	302
2007-06-30	311
2007-09-30	299
2007-12-31	229
2008-03-31	306
2008-06-30	90
2008-09-30	162
2008-12-31	431
2009-03-31	193
2009-06-30	221
2009-09-30	289
2009-12-31	255
2010-03-31	467
2010-06-30	579
2010-09-30	545
2010-12-31	709
2011-03-31	861
2011-06-30	906
2011-09-30	1061
2011-12-31	657
2012-03-31	1159
2012-06-30	1170
2012-09-30	1074
2012-12-31	1261
2013-03-31	1462
2013-06-30	1928
2013-09-30	1670
2013-12-31	600
2014-03-31	1019
2014-06-30	1086
2014-09-30	1239
2014-12-31	378
2015-03-31	555
2015-06-30	200
2015-09-30	112
2015-12-31	113
2016-03-31	855
2016-06-30	1394
2016-09-30	1828
2016-12-31	1008
2017-03-31	1490
2017-06-30	904
2017-09-30	1081
2017-12-31	977
2018-03-31	689
2018-06-30	1036
2018-09-30	883
2018-12-31	1225
2019-03-31	830
2019-06-30	1226
2019-09-30	350
2019-12-31	532
2020-03-31	279
2020-06-30	361
2020-09-30	289
2020-12-31	394
2021-03-31	426
2021-06-30	1028
2021-09-30	1056
2021-12-31	1106
2022-03-31	1056
2022-06-30	795
2022-09-30	437
2022-12-31	547
2023-03-31	1003
2023-06-30	552
2023-09-30	449