Quarter	US dollars
2004-12-31	23
2005-03-31	17
2005-06-30	18
2005-09-30	21
2005-12-31	19
2006-03-31	95
2006-06-30	91
2006-09-30	106
2006-12-31	104
2007-03-31	110
2007-06-30	134
2007-09-30	137
2007-12-31	127
2008-03-31	155
2008-06-30	161
2008-09-30	155
2008-12-31	119
2009-03-31	106
2009-06-30	82
2009-09-30	13
2009-12-31	110
2010-03-31	120
2010-06-30	166
2010-09-30	176
2010-12-31	163
2011-03-31	160
2011-06-30	220
2011-09-30	257
2011-12-31	342
2012-03-31	356
2012-06-30	405
2012-09-30	338
2012-12-31	260
2013-03-31	296
2013-06-30	308
2013-09-30	308
2013-12-31	446
2014-03-31	497
2014-06-30	542
2014-09-30	428
2014-12-31	473
2015-03-31	425
2015-06-30	244
2015-09-30	256
2015-12-31	273
2016-03-31	147
2016-06-30	242
2016-09-30	203
2016-12-31	356
2017-03-31	209
2017-06-30	355
2017-09-30	217
2017-12-31	145
2018-03-31	170
2018-06-30	246
2018-09-30	121
2018-12-31	275
2019-03-31	281
2019-06-30	177
2019-09-30	208
2019-12-31	272
2020-03-31	222
2020-06-30	163
2020-09-30	145
2020-12-31	113
2021-03-31	112
2021-06-30	135
2021-09-30	131
2021-12-31	140
2022-03-31	199
2022-06-30	273
2022-09-30	251
2022-12-31	209
2023-03-31	153
2023-06-30	279
2023-09-30	168