Quarter	US dollars
2004-12-31	390
2005-03-31	399
2005-06-30	344
2005-09-30	147
2005-12-31	184
2006-03-31	179
2006-06-30	370
2006-09-30	347
2006-12-31	204
2007-03-31	224
2007-06-30	207
2007-09-30	198
2007-12-31	108
2008-03-31	113
2008-06-30	76
2008-09-30	68
2008-12-31	91
2009-03-31	82
2009-06-30	82
2009-09-30	69
2009-12-31	76
2010-03-31	79
2010-06-30	262
2010-09-30	266
2010-12-31	261
2011-03-31	1130
2011-06-30	1032
2011-09-30	1042
2011-12-31	1124
2012-03-31	511
2012-06-30	750
2012-09-30	840
2012-12-31	892
2013-03-31	938
2013-06-30	1655
2013-09-30	1388
2013-12-31	1152
2014-03-31	1452
2014-06-30	1546
2014-09-30	927
2014-12-31	1077
2015-03-31	867
2015-06-30	535
2015-09-30	489
2015-12-31	566
2016-03-31	384
2016-06-30	266
2016-09-30	107
2016-12-31	64
2017-03-31	65
2017-06-30	294
2017-09-30	323
2017-12-31	197
2018-03-31	248
2018-06-30	264
2018-09-30	228
2018-12-31	142
2019-03-31	245
2019-06-30	330
2019-09-30	269
2019-12-31	262
2020-03-31	186
2020-06-30	452
2020-09-30	385
2020-12-31	261
2021-03-31	247
2021-06-30	95
2021-09-30	138
2021-12-31	132
2022-03-31	179
2022-06-30	205
2022-09-30	208
2022-12-31	268
2023-03-31	355
2023-06-30	659
2023-09-30	542