Quarterly 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