Quarter	US dollars
1992-03-31	1
1992-06-30	0
1992-09-30	15
1992-12-31	52
1993-03-31	61
1993-06-30	48
1993-09-30	28
1993-12-31	60
1994-03-31	42
1994-06-30	42
1994-09-30	44
1994-12-31	36
1995-03-31	34
1995-06-30	34
1995-09-30	18
1995-12-31	37
1996-03-31	12
1996-06-30	30
1996-09-30	33
1996-12-31	38
1997-03-31	46
1997-06-30	45
1997-09-30	11
1997-12-31	60
1998-03-31	119
1998-06-30	63
1998-09-30	177
1998-12-31	55
1999-03-31	154
1999-06-30	140
1999-09-30	102
1999-12-31	88
2000-03-31	115
2000-06-30	273
2000-09-30	151
2000-12-31	129
2001-03-31	174
2001-06-30	238
2001-09-30	220
2001-12-31	113
2002-03-31	207
2002-06-30	122
2002-09-30	95
2002-12-31	371
2003-03-31	516
2003-06-30	93
2003-09-30	187
2003-12-31	275
2004-03-31	266
2004-06-30	192
2004-09-30	282
2004-12-31	374
2005-03-31	601
2005-06-30	144
2005-09-30	129
2005-12-31	367
2006-03-31	89
2006-06-30	221
2006-09-30	401
2006-12-31	409
2007-03-31	297
2007-06-30	410
2007-09-30	954
2007-12-31	455
2008-03-31	716
2008-06-30	505
2008-09-30	307
2008-12-31	236
2009-03-31	244
2009-06-30	705
2009-09-30	215
2009-12-31	340
2010-03-31	126
2010-06-30	135
2010-09-30	164
2010-12-31	265
2011-03-31	212
2011-06-30	601
2011-09-30	50
2011-12-31	101
2012-03-31	65
2012-06-30	90
2012-09-30	64
2012-12-31	108
2013-03-31	78
2013-06-30	34
2013-09-30	46
2013-12-31	83
2014-03-31	74
2014-06-30	74
2014-09-30	96
2014-12-31	131
2015-03-31	120
2015-06-30	97
2015-09-30	98
2015-12-31	73
2016-03-31	83
2016-06-30	79
2016-09-30	46
2016-12-31	93
2017-03-31	79
2017-06-30	53
2017-09-30	62
2017-12-31	46
2018-03-31	66
2018-06-30	48
2018-09-30	59
2018-12-31	34
2019-03-31	48
2019-06-30	37
2019-09-30	37
2019-12-31	56
2020-03-31	51
2020-06-30	50
2020-09-30	64
2020-12-31	52
2021-03-31	61
2021-06-30	51
2021-09-30	55
2021-12-31	49
2022-03-31	60
2022-06-30	66
2022-09-30	87
2022-12-31	79
2023-03-31	72
2023-06-30	80
2023-09-30	70