Quarter	US dollars
1986-09-30	21
1986-12-31	38
1987-03-31	26
1987-06-30	29
1987-09-30	26
1987-12-31	33
1988-03-31	58
1988-06-30	49
1988-09-30	58
1988-12-31	51
1989-03-31	57
1989-06-30	104
1989-09-30	93
1989-12-31	81
1990-03-31	76
1990-06-30	66
1990-09-30	118
1990-12-31	108
1991-03-31	60
1991-06-30	74
1991-09-30	41
1991-12-31	52
1992-03-31	201
1992-06-30	55
1992-09-30	57
1992-12-31	116
1993-03-31	71
1993-06-30	54
1993-09-30	115
1993-12-31	53
1994-03-31	100
1994-06-30	103
1994-09-30	64
1994-12-31	89
1995-03-31	132
1995-06-30	74
1995-09-30	61
1995-12-31	213
1996-03-31	229
1996-06-30	228
1996-09-30	112
1996-12-31	76
1997-03-31	140
1997-06-30	107
1997-09-30	165
1997-12-31	148
1998-03-31	112
1998-06-30	152
1998-09-30	169
1998-12-31	175
1999-03-31	125
1999-06-30	214
1999-09-30	175
1999-12-31	175
2000-03-31	268
2000-06-30	332
2000-09-30	264
2000-12-31	201
2001-03-31	309
2001-06-30	299
2001-09-30	291
2001-12-31	271
2002-03-31	304
2002-06-30	321
2002-09-30	376
2002-12-31	445
2003-03-31	619
2003-06-30	625
2003-09-30	657
2003-12-31	475
2004-03-31	580
2004-06-30	442
2004-09-30	664
2004-12-31	658
2005-03-31	728
2005-06-30	447
2005-09-30	697
2005-12-31	667
2006-03-31	1104
2006-06-30	1145
2006-09-30	1498
2006-12-31	1584
2007-03-31	1254
2007-06-30	976
2007-09-30	1705
2007-12-31	1203
2008-03-31	903
2008-06-30	530
2008-09-30	1191
2008-12-31	910
2009-03-31	855
2009-06-30	1230
2009-09-30	942
2009-12-31	717
2010-03-31	1499
2010-06-30	733
2010-09-30	1468
2010-12-31	1809
2011-03-31	1202
2011-06-30	1198
2011-09-30	1148
2011-12-31	2476
2012-03-31	1533
2012-06-30	1061
2012-09-30	1088
2012-12-31	589
2013-03-31	533
2013-06-30	448
2013-09-30	414
2013-12-31	317
2014-03-31	403
2014-06-30	625
2014-09-30	1144
2014-12-31	1088
2015-03-31	1363
2015-06-30	1428
2015-09-30	2010
2015-12-31	2167
2016-03-31	2808
2016-06-30	3042
2016-09-30	2114
2016-12-31	2585
2017-03-31	2412
2017-06-30	1503
2017-09-30	571
2017-12-31	1922
2018-03-31	292
2018-06-30	708
2018-09-30	866
2018-12-31	1158
2019-03-31	628
2019-06-30	1170
2019-09-30	634
2019-12-31	1068
2020-03-31	1580
2020-06-30	520
2020-09-30	390
2020-12-31	644
2021-03-31	699
2021-06-30	697
2021-09-30	369
2021-12-31	564
2022-03-31	319
2022-06-30	818
2022-09-30	1057
2022-12-31	1154
2023-03-31	902
2023-06-30	705
2023-09-30	1429