Quarterly US dollars
1986-09-30 424
1986-12-31 476
1987-03-31 497
1987-06-30 561
1987-09-30 572
1987-12-31 622
1988-03-31 680
1988-06-30 677
1988-09-30 718
1988-12-31 732
1989-03-31 701
1989-06-30 723
1989-09-30 756
1989-12-31 715
1990-03-31 614
1990-06-30 702
1990-09-30 813
1990-12-31 763
1991-03-31 764
1991-06-30 621
1991-09-30 601
1991-12-31 664
1992-03-31 759
1992-06-30 849
1992-09-30 823
1992-12-31 795
1993-03-31 842
1993-06-30 811
1993-09-30 809
1993-12-31 809
1994-03-31 840
1994-06-30 872
1994-09-30 917
1994-12-31 872
1995-03-31 915
1995-06-30 934
1995-09-30 993
1995-12-31 1109
1996-03-31 1092
1996-06-30 1153
1996-09-30 1142
1996-12-31 1175
1997-03-31 1265
1997-06-30 1834
1997-09-30 3639
1997-12-31 3123
1998-03-31 3230
1998-06-30 2854
1998-09-30 2529
1998-12-31 2385
1999-03-31 2253
1999-06-30 1750
1999-09-30 1592
1999-12-31 2078
2000-03-31 2511
2000-06-30 2323
2000-09-30 2357
2000-12-31 2558
2001-03-31 2890
2001-06-30 2735
2001-09-30 2773
2001-12-31 2505
2002-03-31 2513
2002-06-30 2224
2002-09-30 2286
2002-12-31 2057
2003-03-31 1590
2003-06-30 1621
2003-09-30 1728
2003-12-31 2319
2004-03-31 1933
2004-06-30 2325
2004-09-30 2615
2004-12-31 2716
2005-03-31 3194
2005-06-30 3233
2005-09-30 4491
2005-12-31 5172
2006-03-31 5164
2006-06-30 7434
2006-09-30 7004
2006-12-31 6894
2007-03-31 6899
2007-06-30 9733
2007-09-30 10147
2007-12-31 9951
2008-03-31 13666
2008-06-30 18656
2008-09-30 12605
2008-12-31 8389
2009-03-31 7940
2009-06-30 7206
2009-09-30 6930
2009-12-31 10138
2010-03-31 10926
2010-06-30 8659
2010-09-30 9241
2010-12-31 7613
2011-03-31 7228
2011-06-30 7633
2011-09-30 6142
2011-12-31 6138
2012-03-31 6484
2012-06-30 5785
2012-09-30 11977
2012-12-31 12121
2013-03-31 12768
2013-06-30 9663
2013-09-30 8996
2013-12-31 7377
2014-03-31 7283
2014-06-30 7184
2014-09-30 6500
2014-12-31 7568
2015-03-31 7284
2015-06-30 8189
2015-09-30 7817
2015-12-31 7922
2016-03-31 8052
2016-06-30 8230
2016-09-30 7232
2016-12-31 6986
2017-03-31 6311
2017-06-30 6159
2017-09-30 6284
2017-12-31 6403
2018-03-31 6766
2018-06-30 6653
2018-09-30 7687
2018-12-31 6737
2019-03-31 7079
2019-06-30 6946
2019-09-30 5424
2019-12-31 5273
2020-03-31 5283
2020-06-30 3733
2020-09-30 3808
2020-12-31 3636
2021-03-31 3780
2021-06-30 3880
2021-09-30 3799
2021-12-31 3446
2022-03-31 3014
2022-06-30 2735
2022-09-30 2674
2022-12-31 2233
2023-03-31 1934
2023-06-30 1858
2023-09-30 1894