Quarter	US dollars
2004-12-31	163
2005-03-31	108
2005-06-30	79
2005-09-30	136
2005-12-31	197
2006-03-31	165
2006-06-30	307
2006-09-30	288
2006-12-31	513
2007-03-31	498
2007-06-30	474
2007-09-30	407
2007-12-31	342
2008-03-31	407
2008-06-30	261
2008-09-30	643
2008-12-31	742
2009-03-31	790
2009-06-30	641
2009-09-30	752
2009-12-31	748
2010-03-31	749
2010-06-30	1686
2010-09-30	1776
2010-12-31	2383
2011-03-31	2134
2011-06-30	1903
2011-09-30	1812
2011-12-31	1172
2012-03-31	959
2012-06-30	990
2012-09-30	778
2012-12-31	755
2013-03-31	739
2013-06-30	801
2013-09-30	915
2013-12-31	1020
2014-03-31	1032
2014-06-30	1060
2014-09-30	958
2014-12-31	684
2015-03-31	341
2015-06-30	275
2015-09-30	235
2015-12-31	196
2016-03-31	285
2016-06-30	255
2016-09-30	235
2016-12-31	175
2017-03-31	240
2017-06-30	251
2017-09-30	291
2017-12-31	234
2018-03-31	192
2018-06-30	187
2018-09-30	125
2018-12-31	146
2019-03-31	138
2019-06-30	135
2019-09-30	156
2019-12-31	136
2020-03-31	133
2020-06-30	93
2020-09-30	128
2020-12-31	93
2021-03-31	113
2021-06-30	209
2021-09-30	198
2021-12-31	202
2022-03-31	205
2022-06-30	122
2022-09-30	154
2022-12-31	114
2023-03-31	61
2023-06-30	90
2023-09-30	124