Quarter	US dollars
2004-12-31	61
2005-03-31	119
2005-06-30	151
2005-09-30	182
2005-12-31	163
2006-03-31	69
2006-06-30	76
2006-09-30	127
2006-12-31	188
2007-03-31	520
2007-06-30	1228
2007-09-30	1361
2007-12-31	1296
2008-03-31	1507
2008-06-30	1244
2008-09-30	1638
2008-12-31	1452
2009-03-31	1433
2009-06-30	1701
2009-09-30	1646
2009-12-31	1624
2010-03-31	1414
2010-06-30	1299
2010-09-30	1440
2010-12-31	1370
2011-03-31	1230
2011-06-30	776
2011-09-30	807
2011-12-31	860
2012-03-31	834
2012-06-30	867
2012-09-30	782
2012-12-31	760
2013-03-31	829
2013-06-30	848
2013-09-30	798
2013-12-31	813
2014-03-31	812
2014-06-30	802
2014-09-30	506
2014-12-31	443
2015-03-31	395
2015-06-30	374
2015-09-30	239
2015-12-31	205
2016-03-31	253
2016-06-30	216
2016-09-30	195
2016-12-31	157
2017-03-31	314
2017-06-30	431
2017-09-30	492
2017-12-31	517
2018-03-31	474
2018-06-30	489
2018-09-30	415
2018-12-31	424
2019-03-31	382
2019-06-30	337
2019-09-30	357
2019-12-31	334
2020-03-31	451
2020-06-30	376
2020-09-30	464
2020-12-31	519
2021-03-31	386
2021-06-30	333
2021-09-30	324
2021-12-31	369
2022-03-31	463
2022-06-30	362
2022-09-30	308
2022-12-31	696
2023-03-31	1022
2023-06-30	1126
2023-09-30	1018