Quarterly US dollars
1986-09-30 693
1986-12-31 744
1987-03-31 754
1987-06-30 683
1987-09-30 663
1987-12-31 607
1988-03-31 564
1988-06-30 604
1988-09-30 655
1988-12-31 731
1989-03-31 685
1989-06-30 673
1989-09-30 641
1989-12-31 757
1990-03-31 694
1990-06-30 649
1990-09-30 632
1990-12-31 591
1991-03-31 530
1991-06-30 494
1991-09-30 487
1991-12-31 587
1992-03-31 577
1992-06-30 598
1992-09-30 620
1992-12-31 593
1993-03-31 581
1993-06-30 691
1993-09-30 609
1993-12-31 583
1994-03-31 632
1994-06-30 652
1994-09-30 622
1994-12-31 630
1995-03-31 543
1995-06-30 527
1995-09-30 508
1995-12-31 445
1996-03-31 464
1996-06-30 485
1996-09-30 505
1996-12-31 582
1997-03-31 703
1997-06-30 641
1997-09-30 784
1997-12-31 719
1998-03-31 810
1998-06-30 830
1998-09-30 867
1998-12-31 807
1999-03-31 748
1999-06-30 666
1999-09-30 681
1999-12-31 675
2000-03-31 853
2000-06-30 695
2000-09-30 661
2000-12-31 805
2001-03-31 885
2001-06-30 954
2001-09-30 980
2001-12-31 946
2002-03-31 989
2002-06-30 1068
2002-09-30 1060
2002-12-31 1223
2003-03-31 971
2003-06-30 788
2003-09-30 819
2003-12-31 745
2004-03-31 664
2004-06-30 760
2004-09-30 754
2004-12-31 733
2005-03-31 667
2005-06-30 676
2005-09-30 750
2005-12-31 789
2006-03-31 530
2006-06-30 667
2006-09-30 1357
2006-12-31 1639
2007-03-31 1382
2007-06-30 2432
2007-09-30 1653
2007-12-31 1861
2008-03-31 1303
2008-06-30 2140
2008-09-30 1277
2008-12-31 1041
2009-03-31 816
2009-06-30 959
2009-09-30 900
2009-12-31 596
2010-03-31 477
2010-06-30 501
2010-09-30 746
2010-12-31 445
2011-03-31 386
2011-06-30 408
2011-09-30 512
2011-12-31 590
2012-03-31 464
2012-06-30 447
2012-09-30 494
2012-12-31 497
2013-03-31 515
2013-06-30 539
2013-09-30 548
2013-12-31 609
2014-03-31 474
2014-06-30 481
2014-09-30 440
2014-12-31 285
2015-03-31 363
2015-06-30 317
2015-09-30 322
2015-12-31 285
2016-03-31 354
2016-06-30 316
2016-09-30 452
2016-12-31 228
2017-03-31 294
2017-06-30 346
2017-09-30 386
2017-12-31 281
2018-03-31 236
2018-06-30 348
2018-09-30 360
2018-12-31 272
2019-03-31 338
2019-06-30 452
2019-09-30 394
2019-12-31 557
2020-03-31 599
2020-06-30 672
2020-09-30 491
2020-12-31 626
2021-03-31 457
2021-06-30 499
2021-09-30 372
2021-12-31 455
2022-03-31 1207
2022-06-30 966
2022-09-30 624
2022-12-31 600
2023-03-31 673
2023-06-30 871
2023-09-30 1035