Quarter	US dollars
1986-09-30	67
1986-12-31	56
1987-03-31	53
1987-06-30	56
1987-09-30	53
1987-12-31	55
1988-03-31	46
1988-06-30	37
1988-09-30	36
1988-12-31	25
1989-03-31	22
1989-06-30	24
1989-09-30	19
1989-12-31	22
1990-03-31	29
1990-06-30	32
1990-09-30	34
1990-12-31	36
1991-03-31	27
1991-06-30	17
1991-09-30	19
1991-12-31	26
1992-03-31	24
1992-06-30	26
1992-09-30	23
1992-12-31	18
1993-03-31	18
1993-06-30	20
1993-09-30	28
1993-12-31	26
1994-03-31	27
1994-06-30	25
1994-09-30	25
1994-12-31	27
1995-03-31	29
1995-06-30	25
1995-09-30	24
1995-12-31	30
1996-03-31	22
1996-06-30	18
1996-09-30	24
1996-12-31	39
1997-03-31	44
1997-06-30	44
1997-09-30	57
1997-12-31	80
1998-03-31	80
1998-06-30	67
1998-09-30	78
1998-12-31	88
1999-03-31	80
1999-06-30	84
1999-09-30	85
1999-12-31	105
2000-03-31	108
2000-06-30	162
2000-09-30	203
2000-12-31	233
2001-03-31	273
2001-06-30	254
2001-09-30	251
2001-12-31	250
2002-03-31	234
2002-06-30	256
2002-09-30	249
2002-12-31	266
2003-03-31	236
2003-06-30	220
2003-09-30	233
2003-12-31	207
2004-03-31	196
2004-06-30	202
2004-09-30	179
2004-12-31	153
2005-03-31	156
2005-06-30	160
2005-09-30	158
2005-12-31	149
2006-03-31	191
2006-06-30	188
2006-09-30	168
2006-12-31	160
2007-03-31	119
2007-06-30	166
2007-09-30	174
2007-12-31	205
2008-03-31	177
2008-06-30	117
2008-09-30	121
2008-12-31	86
2009-03-31	60
2009-06-30	61
2009-09-30	121
2009-12-31	131
2010-03-31	135
2010-06-30	132
2010-09-30	122
2010-12-31	124
2011-03-31	124
2011-06-30	116
2011-09-30	147
2011-12-31	167
2012-03-31	168
2012-06-30	389
2012-09-30	422
2012-12-31	521
2013-03-31	424
2013-06-30	431
2013-09-30	522
2013-12-31	616
2014-03-31	605
2014-06-30	591
2014-09-30	574
2014-12-31	616
2015-03-31	604
2015-06-30	585
2015-09-30	628
2015-12-31	646
2016-03-31	643
2016-06-30	658
2016-09-30	683
2016-12-31	602
2017-03-31	543
2017-06-30	666
2017-09-30	678
2017-12-31	621
2018-03-31	603
2018-06-30	754
2018-09-30	730
2018-12-31	731
2019-03-31	814
2019-06-30	878
2019-09-30	922
2019-12-31	723
2020-03-31	688
2020-06-30	656
2020-09-30	896
2020-12-31	823
2021-03-31	855
2021-06-30	812
2021-09-30	796
2021-12-31	724
2022-03-31	712
2022-06-30	650
2022-09-30	657
2022-12-31	659
2023-03-31	612
2023-06-30	788
2023-09-30	824