Quarter	US dollars
2004-12-31	69
2005-03-31	172
2005-06-30	109
2005-09-30	138
2005-12-31	136
2006-03-31	206
2006-06-30	215
2006-09-30	271
2006-12-31	221
2007-03-31	186
2007-06-30	221
2007-09-30	263
2007-12-31	245
2008-03-31	398
2008-06-30	344
2008-09-30	333
2008-12-31	306
2009-03-31	295
2009-06-30	278
2009-09-30	333
2009-12-31	347
2010-03-31	388
2010-06-30	368
2010-09-30	597
2010-12-31	510
2011-03-31	515
2011-06-30	1111
2011-09-30	1092
2011-12-31	1115
2012-03-31	1138
2012-06-30	1150
2012-09-30	1164
2012-12-31	1352
2013-03-31	3674
2013-06-30	3651
2013-09-30	3466
2013-12-31	2431
2014-03-31	2208
2014-06-30	1477
2014-09-30	1373
2014-12-31	1311
2015-03-31	1360
2015-06-30	1164
2015-09-30	1097
2015-12-31	1113
2016-03-31	1050
2016-06-30	1103
2016-09-30	1109
2016-12-31	1530
2017-03-31	1126
2017-06-30	1152
2017-09-30	1371
2017-12-31	1331
2018-03-31	1278
2018-06-30	1323
2018-09-30	1026
2018-12-31	1373
2019-03-31	1368
2019-06-30	1275
2019-09-30	1223
2019-12-31	1258
2020-03-31	1240
2020-06-30	1132
2020-09-30	1100
2020-12-31	528
2021-03-31	490
2021-06-30	341
2021-09-30	399
2021-12-31	356
2022-03-31	358
2022-06-30	466
2022-09-30	626
2022-12-31	607
2023-03-31	566
2023-06-30	464
2023-09-30	551