Quarterly US dollars
1986-09-30 403
1986-12-31 375
1987-03-31 402
1987-06-30 452
1987-09-30 462
1987-12-31 509
1988-03-31 498
1988-06-30 482
1988-09-30 500
1988-12-31 520
1989-03-31 528
1989-06-30 525
1989-09-30 587
1989-12-31 560
1990-03-31 575
1990-06-30 672
1990-09-30 634
1990-12-31 696
1991-03-31 639
1991-06-30 686
1991-09-30 731
1991-12-31 808
1992-03-31 596
1992-06-30 680
1992-09-30 652
1992-12-31 539
1993-03-31 569
1993-06-30 497
1993-09-30 538
1993-12-31 672
1994-03-31 605
1994-06-30 807
1994-09-30 692
1994-12-31 661
1995-03-31 672
1995-06-30 671
1995-09-30 762
1995-12-31 664
1996-03-31 698
1996-06-30 724
1996-09-30 694
1996-12-31 614
1997-03-31 713
1997-06-30 610
1997-09-30 525
1997-12-31 603
1998-03-31 534
1998-06-30 525
1998-09-30 528
1998-12-31 480
1999-03-31 502
1999-06-30 413
1999-09-30 412
1999-12-31 489
2000-03-31 459
2000-06-30 444
2000-09-30 456
2000-12-31 439
2001-03-31 483
2001-06-30 489
2001-09-30 493
2001-12-31 528
2002-03-31 580
2002-06-30 524
2002-09-30 517
2002-12-31 631
2003-03-31 653
2003-06-30 561
2003-09-30 546
2003-12-31 761
2004-03-31 798
2004-06-30 737
2004-09-30 721
2004-12-31 958
2005-03-31 1044
2005-06-30 865
2005-09-30 782
2005-12-31 774
2006-03-31 806
2006-06-30 859
2006-09-30 817
2006-12-31 1078
2007-03-31 722
2007-06-30 601
2007-09-30 470
2007-12-31 590
2008-03-31 607
2008-06-30 548
2008-09-30 562
2008-12-31 607
2009-03-31 690
2009-06-30 653
2009-09-30 429
2009-12-31 528
2010-03-31 1001
2010-06-30 921
2010-09-30 881
2010-12-31 878
2011-03-31 978
2011-06-30 764
2011-09-30 615
2011-12-31 707
2012-03-31 1832
2012-06-30 1727
2012-09-30 1171
2012-12-31 1739
2013-03-31 1744
2013-06-30 1873
2013-09-30 1396
2013-12-31 2154
2014-03-31 1703
2014-06-30 1982
2014-09-30 1545
2014-12-31 1888
2015-03-31 1780
2015-06-30 1474
2015-09-30 1200
2015-12-31 1759
2016-03-31 2014
2016-06-30 1623
2016-09-30 1565
2016-12-31 1956
2017-03-31 2373
2017-06-30 1869
2017-09-30 1646
2017-12-31 1911
2018-03-31 2335
2018-06-30 1728
2018-09-30 1530
2018-12-31 1545
2019-03-31 1783
2019-06-30 1816
2019-09-30 1692
2019-12-31 1914
2020-03-31 2245
2020-06-30 1721
2020-09-30 2086
2020-12-31 2069
2021-03-31 2463
2021-06-30 1772
2021-09-30 1782
2021-12-31 1946
2022-03-31 3015
2022-06-30 1769
2022-09-30 1905
2022-12-31 1946
2023-03-31 2096
2023-06-30 1788
2023-09-30 1630