Quarter	US dollars
2004-12-31	138
2005-03-31	221
2005-06-30	233
2005-09-30	203
2005-12-31	177
2006-03-31	252
2006-06-30	252
2006-09-30	248
2006-12-31	585
2007-03-31	461
2007-06-30	566
2007-09-30	585
2007-12-31	1607
2008-03-31	1453
2008-06-30	1574
2008-09-30	1089
2008-12-31	782
2009-03-31	572
2009-06-30	310
2009-09-30	416
2009-12-31	318
2010-03-31	319
2010-06-30	117
2010-09-30	279
2010-12-31	313
2011-03-31	290
2011-06-30	368
2011-09-30	335
2011-12-31	325
2012-03-31	272
2012-06-30	204
2012-09-30	157
2012-12-31	170
2013-03-31	216
2013-06-30	325
2013-09-30	371
2013-12-31	261
2014-03-31	292
2014-06-30	159
2014-09-30	224
2014-12-31	267
2015-03-31	131
2015-06-30	138
2015-09-30	264
2015-12-31	256
2016-03-31	242
2016-06-30	128
2016-09-30	129
2016-12-31	87
2017-03-31	66
2017-06-30	156
2017-09-30	248
2017-12-31	246
2018-03-31	251
2018-06-30	251
2018-09-30	211
2018-12-31	146
2019-03-31	115
2019-06-30	75
2019-09-30	70
2019-12-31	194
2020-03-31	181
2020-06-30	215
2020-09-30	84
2020-12-31	71
2021-03-31	62
2021-06-30	169
2021-09-30	18
2021-12-31	7
2022-03-31	9
2022-06-30	9
2022-09-30	17
2022-12-31	197
2023-03-31	103
2023-06-30	74
2023-09-30	23