Quarterly US dollars
1986-09-30 684
1986-12-31 706
1987-03-31 755
1987-06-30 760
1987-09-30 712
1987-12-31 760
1988-03-31 735
1988-06-30 710
1988-09-30 687
1988-12-31 696
1989-03-31 669
1989-06-30 735
1989-09-30 747
1989-12-31 752
1990-03-31 768
1990-06-30 696
1990-09-30 712
1990-12-31 691
1991-03-31 601
1991-06-30 473
1991-09-30 452
1991-12-31 452
1992-03-31 431
1992-06-30 478
1992-09-30 477
1992-12-31 486
1993-03-31 456
1993-06-30 388
1993-09-30 357
1993-12-31 384
1994-03-31 427
1994-06-30 416
1994-09-30 383
1994-12-31 387
1995-03-31 369
1995-06-30 414
1995-09-30 391
1995-12-31 338
1996-03-31 323
1996-06-30 388
1996-09-30 635
1996-12-31 554
1997-03-31 589
1997-06-30 475
1997-09-30 340
1997-12-31 332
1998-03-31 460
1998-06-30 528
1998-09-30 581
1998-12-31 581
1999-03-31 482
1999-06-30 594
1999-09-30 765
1999-12-31 767
2000-03-31 713
2000-06-30 721
2000-09-30 692
2000-12-31 572
2001-03-31 580
2001-06-30 557
2001-09-30 563
2001-12-31 588
2002-03-31 577
2002-06-30 615
2002-09-30 526
2002-12-31 484
2003-03-31 501
2003-06-30 513
2003-09-30 525
2003-12-31 575
2004-03-31 613
2004-06-30 623
2004-09-30 621
2004-12-31 708
2005-03-31 732
2005-06-30 675
2005-09-30 678
2005-12-31 798
2006-03-31 950
2006-06-30 910
2006-09-30 915
2006-12-31 861
2007-03-31 866
2007-06-30 774
2007-09-30 616
2007-12-31 641
2008-03-31 607
2008-06-30 547
2008-09-30 397
2008-12-31 316
2009-03-31 239
2009-06-30 285
2009-09-30 204
2009-12-31 365
2010-03-31 508
2010-06-30 503
2010-09-30 552
2010-12-31 561
2011-03-31 600
2011-06-30 807
2011-09-30 750
2011-12-31 1234
2012-03-31 754
2012-06-30 809
2012-09-30 930
2012-12-31 1099
2013-03-31 1038
2013-06-30 928
2013-09-30 918
2013-12-31 894
2014-03-31 1091
2014-06-30 1203
2014-09-30 1230
2014-12-31 1070
2015-03-31 1002
2015-06-30 818
2015-09-30 706
2015-12-31 781
2016-03-31 813
2016-06-30 937
2016-09-30 864
2016-12-31 951
2017-03-31 790
2017-06-30 867
2017-09-30 713
2017-12-31 668
2018-03-31 504
2018-06-30 433
2018-09-30 519
2018-12-31 371
2019-03-31 495
2019-06-30 551
2019-09-30 324
2019-12-31 392
2020-03-31 434
2020-06-30 301
2020-09-30 446
2020-12-31 612
2021-03-31 557
2021-06-30 658
2021-09-30 739
2021-12-31 763
2022-03-31 724
2022-06-30 828
2022-09-30 684
2022-12-31 719
2023-03-31 622
2023-06-30 567
2023-09-30 338