Quarter	US dollars
1986-09-30	34
1986-12-31	57
1987-03-31	71
1987-06-30	57
1987-09-30	88
1987-12-31	80
1988-03-31	86
1988-06-30	127
1988-09-30	139
1988-12-31	136
1989-03-31	101
1989-06-30	98
1989-09-30	142
1989-12-31	123
1990-03-31	137
1990-06-30	145
1990-09-30	171
1990-12-31	223
1991-03-31	207
1991-06-30	205
1991-09-30	238
1991-12-31	265
1992-03-31	290
1992-06-30	320
1992-09-30	410
1992-12-31	556
1993-03-31	617
1993-06-30	494
1993-09-30	570
1993-12-31	638
1994-03-31	628
1994-06-30	679
1994-09-30	706
1994-12-31	933
1995-03-31	1029
1995-06-30	832
1995-09-30	762
1995-12-31	652
1996-03-31	823
1996-06-30	833
1996-09-30	885
1996-12-31	936
1997-03-31	1057
1997-06-30	1149
1997-09-30	1185
1997-12-31	1008
1998-03-31	931
1998-06-30	1218
1998-09-30	1129
1998-12-31	1059
1999-03-31	985
1999-06-30	977
1999-09-30	1099
1999-12-31	780
2000-03-31	713
2000-06-30	719
2000-09-30	744
2000-12-31	909
2001-03-31	1145
2001-06-30	908
2001-09-30	938
2001-12-31	995
2002-03-31	1046
2002-06-30	1017
2002-09-30	791
2002-12-31	940
2003-03-31	919
2003-06-30	1066
2003-09-30	963
2003-12-31	1174
2004-03-31	1270
2004-06-30	702
2004-09-30	1460
2004-12-31	1314
2005-03-31	1418
2005-06-30	1091
2005-09-30	1801
2005-12-31	2087
2006-03-31	3099
2006-06-30	3536
2006-09-30	5112
2006-12-31	3486
2007-03-31	3332
2007-06-30	2385
2007-09-30	1824
2007-12-31	2639
2008-03-31	2815
2008-06-30	2198
2008-09-30	2201
2008-12-31	1348
2009-03-31	767
2009-06-30	766
2009-09-30	1323
2009-12-31	1694
2010-03-31	1314
2010-06-30	453
2010-09-30	947
2010-12-31	667
2011-03-31	447
2011-06-30	854
2011-09-30	899
2011-12-31	1087
2012-03-31	333
2012-06-30	109
2012-09-30	112
2012-12-31	117
2013-03-31	424
2013-06-30	360
2013-09-30	512
2013-12-31	758
2014-03-31	1054
2014-06-30	862
2014-09-30	634
2014-12-31	777
2015-03-31	527
2015-06-30	820
2015-09-30	627
2015-12-31	768
2016-03-31	655
2016-06-30	535
2016-09-30	494
2016-12-31	436
2017-03-31	1002
2017-06-30	1003
2017-09-30	659
2017-12-31	930
2018-03-31	1957
2018-06-30	1333
2018-09-30	1097
2018-12-31	581
2019-03-31	1309
2019-06-30	1052
2019-09-30	817
2019-12-31	838
2020-03-31	1301
2020-06-30	807
2020-09-30	819
2020-12-31	1107
2021-03-31	737
2021-06-30	735
2021-09-30	781
2021-12-31	716
2022-03-31	1271
2022-06-30	1118
2022-09-30	1058
2022-12-31	1801
2023-03-31	924
2023-06-30	784
2023-09-30	872