Quarter	US dollars
2004-12-31	98
2005-03-31	112
2005-09-30	96
2008-12-31	181
2009-09-30	144
2009-12-31	105
2010-03-31	140
2010-06-30	184
2010-09-30	139
2010-12-31	307
2011-03-31	377
2011-06-30	469
2011-09-30	333
2011-12-31	271
2012-03-31	610
2012-06-30	455
2012-09-30	363
2012-12-31	723
2013-03-31	947
2013-06-30	628
2013-12-31	246
2014-03-31	165
2014-06-30	103
2014-09-30	138
2014-12-31	144
2015-03-31	102
2015-06-30	53
2015-09-30	89
2015-12-31	25
2016-03-31	164
2016-06-30	134
2016-09-30	79
2016-12-31	73
2017-03-31	98
2017-06-30	153
2017-09-30	93
2017-12-31	153
2018-03-31	175
2018-06-30	81
2018-09-30	27
2018-12-31	96
2019-03-31	98
2019-06-30	99
2019-09-30	132
2019-12-31	83
2020-03-31	148
2020-06-30	198
2020-09-30	243
2020-12-31	162
2021-03-31	195
2021-06-30	57
2021-09-30	160
2021-12-31	90
2022-03-31	192
2022-06-30	109
2022-09-30	99
2022-12-31	50
2023-03-31	114
2023-06-30	189
2023-09-30	140