Quarter	US dollars
2004-12-31	152
2005-03-31	142
2005-06-30	190
2005-09-30	179
2005-12-31	200
2006-03-31	189
2006-06-30	209
2006-09-30	217
2006-12-31	237
2007-03-31	235
2007-06-30	275
2007-09-30	320
2007-12-31	408
2008-03-31	415
2008-06-30	452
2008-09-30	453
2008-12-31	444
2009-03-31	447
2009-06-30	408
2009-09-30	413
2009-12-31	400
2010-03-31	399
2010-06-30	385
2010-09-30	603
2010-12-31	598
2011-03-31	385
2011-06-30	117
2011-09-30	357
2011-12-31	959
2012-03-31	908
2012-06-30	340
2012-09-30	339
2012-12-31	270
2013-03-31	267
2013-06-30	253
2013-09-30	283
2013-12-31	286
2014-03-31	268
2014-06-30	260
2014-09-30	211
2014-12-31	200
2015-03-31	183
2015-06-30	120
2015-09-30	147
2015-12-31	170
2016-03-31	162
2016-06-30	359
2016-09-30	348
2016-12-31	316
2017-03-31	54
2017-06-30	157
2017-09-30	110
2017-12-31	96
2018-03-31	94
2018-06-30	102
2018-09-30	110
2018-12-31	82
2019-03-31	94
2019-06-30	90
2019-09-30	97
2019-12-31	29
2020-03-31	20
2020-06-30	47
2020-09-30	17
2020-12-31	46
2021-03-31	17
2021-06-30	11
2021-09-30	23
2021-12-31	19
2022-03-31	14
2022-06-30	232
2022-09-30	49
2022-12-31	45
2023-03-31	41
2023-06-30	39
2023-09-30	31