Quarter	US dollars
2004-12-31	0
2005-03-31	0
2005-06-30	0
2005-09-30	164
2005-12-31	154
2006-03-31	163
2006-06-30	194
2006-09-30	135
2006-12-31	186
2007-03-31	184
2007-06-30	150
2007-09-30	212
2007-12-31	197
2008-03-31	229
2008-06-30	221
2008-09-30	168
2008-12-31	161
2009-03-31	166
2009-06-30	265
2009-09-30	326
2009-12-31	236
2010-03-31	268
2010-06-30	217
2010-09-30	224
2010-12-31	252
2011-03-31	264
2011-06-30	348
2011-09-30	318
2011-12-31	301
2012-03-31	336
2012-06-30	337
2012-09-30	339
2012-12-31	409
2013-03-31	413
2013-06-30	437
2013-09-30	473
2013-12-31	473
2014-03-31	522
2014-06-30	489
2014-09-30	540
2014-12-31	492
2015-03-31	441
2015-06-30	503
2015-09-30	494
2015-12-31	501
2016-03-31	492
2016-06-30	183
2016-09-30	199
2016-12-31	182
2017-03-31	181
2017-06-30	413
2017-09-30	478
2017-12-31	462
2018-03-31	310
2018-06-30	280
2018-09-30	269
2018-12-31	335
2019-03-31	313
2019-06-30	438
2019-09-30	451
2019-12-31	445
2020-03-31	447
2020-06-30	477
2020-09-30	436
2020-12-31	407
2021-03-31	588
2021-06-30	608
2021-09-30	925
2021-12-31	590
2022-03-31	542
2022-06-30	463
2022-09-30	487
2022-12-31	428
2023-03-31	492
2023-06-30	567
2023-09-30	631