Quarter	US dollars
2007-06-30	1016
2007-09-30	1006
2007-12-31	897
2008-03-31	510
2008-06-30	670
2008-09-30	817
2008-12-31	235
2009-03-31	112
2009-06-30	121
2009-09-30	165
2009-12-31	85
2010-03-31	116
2010-06-30	96
2010-09-30	82
2010-12-31	97
2011-03-31	132
2011-06-30	73
2011-09-30	82
2011-12-31	29
2012-03-31	79
2012-06-30	85
2012-09-30	126
2012-12-31	124
2013-03-31	100
2013-06-30	296
2013-09-30	371
2013-12-31	369
2014-03-31	364
2014-06-30	290
2014-09-30	252
2014-12-31	163
2015-03-31	223
2015-06-30	196
2015-09-30	251
2015-12-31	119
2016-03-31	169
2016-06-30	275
2016-09-30	343
2016-12-31	294
2017-03-31	320
2017-06-30	356
2017-09-30	137
2017-12-31	105
2018-03-31	102
2018-06-30	166
2018-09-30	151
2018-12-31	97
2019-03-31	150
2019-06-30	63
2019-09-30	63
2019-12-31	56
2020-03-31	236
2020-06-30	48
2020-09-30	65
2020-12-31	142
2021-03-31	110
2021-06-30	64
2021-09-30	12
2021-12-31	83
2022-03-31	199
2022-06-30	145
2022-09-30	40
2022-12-31	19
2023-03-31	25
2023-06-30	28
2023-09-30	238