Quarter	US dollars
2004-12-31	104
2005-03-31	98
2005-06-30	129
2005-09-30	131
2005-12-31	152
2006-03-31	125
2006-06-30	128
2006-09-30	153
2006-12-31	157
2007-03-31	186
2007-06-30	181
2007-09-30	185
2007-12-31	157
2008-03-31	179
2008-06-30	155
2008-09-30	214
2008-12-31	198
2009-03-31	242
2009-06-30	301
2009-09-30	304
2009-12-31	321
2010-03-31	317
2010-06-30	322
2010-09-30	266
2010-12-31	839
2011-03-31	923
2011-06-30	922
2011-09-30	869
2011-12-31	458
2012-03-31	380
2012-06-30	336
2012-09-30	237
2012-12-31	259
2013-03-31	108
2013-06-30	188
2013-09-30	219
2013-12-31	210
2014-03-31	285
2014-06-30	219
2014-09-30	259
2014-12-31	340
2015-03-31	194
2015-06-30	275
2015-09-30	364
2015-12-31	372
2016-03-31	592
2016-06-30	583
2016-09-30	460
2016-12-31	428
2017-03-31	349
2017-06-30	147
2017-09-30	97
2017-12-31	26
2018-03-31	60
2018-06-30	69
2018-09-30	68
2018-12-31	84
2019-03-31	68
2019-06-30	65
2019-09-30	64
2019-12-31	61
2020-03-31	61
2020-06-30	2
2020-09-30	3
2020-12-31	1
2021-03-31	1
2021-06-30	11
2021-09-30	12
2021-12-31	11
2022-03-31	11
2022-06-30	2
2022-09-30	3
2022-12-31	2
2023-03-31	2
2023-06-30	25
2023-09-30	24