Quarter	US dollars
2004-12-31	280
2005-03-31	325
2005-06-30	367
2005-09-30	97
2005-12-31	70
2006-03-31	111
2006-06-30	142
2006-09-30	189
2006-12-31	78
2007-03-31	67
2007-06-30	78
2007-09-30	106
2007-12-31	125
2008-03-31	181
2008-06-30	308
2008-09-30	267
2008-12-31	206
2009-03-31	214
2009-06-30	222
2009-09-30	227
2009-12-31	202
2010-03-31	185
2010-06-30	169
2010-09-30	227
2010-12-31	185
2011-03-31	266
2011-06-30	300
2011-09-30	371
2011-12-31	298
2012-03-31	408
2012-06-30	381
2012-09-30	368
2012-12-31	485
2013-03-31	583
2013-06-30	440
2015-03-31	131
2015-06-30	102
2015-09-30	64
2015-12-31	56
2016-03-31	39
2016-06-30	40
2016-09-30	39
2016-12-31	69
2017-03-31	44
2017-06-30	90
2017-09-30	83
2017-12-31	82
2018-03-31	109
2018-06-30	90
2018-09-30	107
2018-12-31	121
2019-03-31	268
2019-06-30	74
2019-09-30	75
2019-12-31	98
2020-03-31	110
2020-06-30	54
2020-09-30	36
2020-12-31	61
2021-03-31	65
2021-06-30	37
2021-09-30	42
2021-12-31	101
2022-03-31	90
2022-06-30	-6
2022-09-30	40
2022-12-31	91
2023-03-31	82
2023-06-30	123
2023-09-30	110