Quarterly US dollars
1986-09-30 619
1986-12-31 810
1987-03-31 921
1987-06-30 1064
1987-09-30 1168
1987-12-31 1130
1988-03-31 941
1988-06-30 967
1988-09-30 1112
1988-12-31 1147
1989-03-31 1282
1989-06-30 1363
1989-09-30 1544
1989-12-31 1421
1990-03-31 1671
1990-06-30 1605
1990-09-30 1432
1990-12-31 1363
1991-03-31 1245
1991-06-30 1193
1991-09-30 1242
1991-12-31 1233
1992-03-31 1112
1992-06-30 1121
1992-09-30 980
1992-12-31 915
1993-03-31 847
1993-06-30 816
1993-09-30 802
1993-12-31 793
1994-03-31 789
1994-06-30 784
1994-09-30 784
1994-12-31 779
1995-03-31 777
1995-06-30 768
1995-09-30 769
1995-12-31 758
1996-03-31 746
1996-06-30 744
1996-09-30 743
1996-12-31 772
1997-03-31 752
1997-06-30 760
1997-09-30 737
1997-12-31 507
1998-03-31 760
1998-06-30 740
1998-09-30 754
1998-12-31 749
1999-03-31 741
1999-06-30 739
1999-09-30 746
1999-12-31 746
2000-03-31 756
2000-06-30 747
2000-09-30 740
2000-12-31 752
2001-03-31 466
2001-06-30 462
2001-09-30 644
2001-12-31 643
2002-03-31 634
2002-06-30 647
2002-09-30 642
2002-12-31 648
2003-03-31 646
2003-06-30 650
2003-09-30 606
2003-12-31 434
2004-03-31 424
2004-06-30 401
2004-09-30 393
2004-12-31 408
2005-03-31 385
2005-06-30 376
2005-09-30 365
2005-12-31 339
2006-03-31 339
2006-06-30 350
2006-09-30 348
2006-12-31 385
2007-03-31 146
2007-06-30 142
2007-09-30 134
2007-12-31 162
2008-03-31 415
2008-06-30 409
2008-09-30 512
2008-12-31 589
2009-03-31 551
2009-06-30 660
2009-09-30 520
2009-12-31 494
2010-03-31 467
2010-06-30 431
2010-09-30 371
2010-12-31 394
2011-03-31 404
2011-06-30 408
2011-09-30 314
2011-12-31 312
2012-03-31 315
2012-06-30 315
2012-09-30 377
2012-12-31 370
2013-03-31 302
2013-06-30 323
2013-09-30 75
2013-12-31 82
2014-03-31 85
2014-06-30 87
2014-09-30 231
2014-12-31 1044
2015-03-31 1055
2015-06-30 580
2015-09-30 562
2015-12-31 487
2016-03-31 506
2016-06-30 521
2016-09-30 465
2016-12-31 458
2017-03-31 371
2017-06-30 331
2017-09-30 351
2017-12-31 382
2018-03-31 336
2018-06-30 252
2018-09-30 202
2018-12-31 336
2019-03-31 427
2019-06-30 573
2019-09-30 632
2019-12-31 536
2020-03-31 391
2020-06-30 499
2020-09-30 292
2020-12-31 284
2021-03-31 751
2021-06-30 816
2021-09-30 875
2021-12-31 1176
2022-03-31 1558
2022-06-30 1877
2022-09-30 1906
2022-12-31 2426
2023-03-31 1616
2023-06-30 1934
2023-09-30 1992