Quarter	US dollars
2004-12-31	42
2005-03-31	45
2005-06-30	65
2005-09-30	51
2005-12-31	24
2006-03-31	21
2006-06-30	20
2006-09-30	22
2006-12-31	59
2007-03-31	53
2007-06-30	100
2007-09-30	112
2007-12-31	141
2008-03-31	169
2008-06-30	265
2008-09-30	280
2008-12-31	234
2009-03-31	196
2009-06-30	207
2009-09-30	170
2009-12-31	228
2010-03-31	284
2010-06-30	269
2010-09-30	287
2010-12-31	280
2011-03-31	295
2011-06-30	305
2011-09-30	234
2011-12-31	178
2012-03-31	21
2012-06-30	33
2012-09-30	78
2014-03-31	63
2014-06-30	87
2014-09-30	104
2014-12-31	114
2015-03-31	114
2015-06-30	294
2015-09-30	315
2015-12-31	304
2016-03-31	322
2016-06-30	322
2016-09-30	322
2016-12-31	359
2017-03-31	351
2017-06-30	179
2017-09-30	221
2017-12-31	205
2018-03-31	184
2018-06-30	148
2018-09-30	133
2018-12-31	157
2019-03-31	211
2019-06-30	230
2019-09-30	65
2019-12-31	118
2020-03-31	122
2020-06-30	290
2020-09-30	150
2020-12-31	138
2021-03-31	190
2021-06-30	341
2021-09-30	293
2021-12-31	497
2022-03-31	288
2022-06-30	329
2022-09-30	468
2022-12-31	598
2023-03-31	657
2023-06-30	652
2023-09-30	703