Quarter	US dollars
2004-12-31	276
2005-03-31	251
2005-06-30	161
2005-09-30	131
2005-12-31	252
2006-03-31	264
2006-06-30	174
2006-09-30	200
2006-12-31	215
2007-03-31	202
2007-06-30	345
2007-09-30	312
2007-12-31	396
2008-03-31	475
2008-06-30	273
2008-09-30	406
2008-12-31	334
2009-03-31	588
2009-06-30	650
2009-09-30	624
2009-12-31	801
2010-03-31	1031
2010-06-30	866
2010-09-30	890
2010-12-31	1108
2011-03-31	829
2011-06-30	719
2011-09-30	770
2011-12-31	1166
2012-03-31	879
2012-06-30	1161
2012-09-30	1344
2012-12-31	1589
2013-03-31	1688
2013-06-30	1738
2013-09-30	1412
2013-12-31	1559
2014-03-31	1447
2014-06-30	1609
2014-09-30	1641
2014-12-31	1349
2015-03-31	1437
2015-06-30	1257
2015-09-30	1234
2015-12-31	1341
2016-03-31	1019
2016-06-30	1119
2016-09-30	1015
2016-12-31	1267
2017-03-31	1388
2017-06-30	1280
2017-09-30	969
2017-12-31	905
2018-03-31	964
2018-06-30	776
2018-09-30	926
2018-12-31	1175
2019-03-31	1635
2019-06-30	1086
2019-09-30	1058
2019-12-31	1112
2020-03-31	904
2020-06-30	969
2020-09-30	1117
2020-12-31	1005
2021-03-31	1011
2021-06-30	1599
2021-09-30	1243
2021-12-31	1252
2022-03-31	1325
2022-06-30	1136
2022-09-30	1097
2022-12-31	1075
2023-03-31	955
2023-06-30	470
2023-09-30	371