Quarterly US dollars
1986-09-30 32485
1986-12-31 32655
1987-03-31 32082
1987-06-30 31845
1987-09-30 33109
1987-12-31 39357
1988-03-31 36928
1988-06-30 34073
1988-09-30 34122
1988-12-31 31458
1989-03-31 31151
1989-06-30 30132
1989-09-30 29258
1989-12-31 28239
1990-03-31 31568
1990-06-30 28268
1990-09-30 29014
1990-12-31 33020
1991-03-31 30058
1991-06-30 27453
1991-09-30 29919
1991-12-31 27682
1992-03-31 28328
1992-06-30 28331
1992-09-30 32022
1992-12-31 29533
1993-03-31 29904
1993-06-30 27725
1993-09-30 29976
1993-12-31 27752
1994-03-31 29239
1994-06-30 30070
1994-09-30 33730
1994-12-31 32366
1995-03-31 35452
1995-06-30 33113
1995-09-30 29450
1995-12-31 34944
1996-03-31 41960
1996-06-30 37665
1996-09-30 39491
1996-12-31 37973
1997-03-31 40636
1997-06-30 42800
1997-09-30 39672
1997-12-31 42571
1998-03-31 43096
1998-06-30 40915
1998-09-30 50478
1998-12-31 42585
1999-03-31 44819
1999-06-30 38818
1999-09-30 49829
1999-12-31 45831
2000-03-31 53992
2000-06-30 42115
2000-09-30 36712
2000-12-31 38642
2001-03-31 48341
2001-06-30 47255
2001-09-30 55751
2001-12-31 49407
2002-03-31 50959
2002-06-30 58950
2002-09-30 56917
2002-12-31 48727
2003-03-31 55833
2003-06-30 54568
2003-09-30 57377
2003-12-31 58588
2004-03-31 84897
2004-06-30 71141
2004-09-30 66402
2004-12-31 71187
2005-03-31 90752
2005-06-30 84057
2005-09-30 82093
2005-12-31 71997
2006-03-31 74671
2006-06-30 77870
2006-09-30 84780
2006-12-31 96463
2007-03-31 114758
2007-06-30 135101
2007-09-30 139524
2007-12-31 149424
2008-03-31 140041
2008-06-30 134607
2008-09-30 110380
2008-12-31 103732
2009-03-31 105867
2009-06-30 100598
2009-09-30 104594
2009-12-31 92287
2010-03-31 78226
2010-06-30 76679
2010-09-30 85852
2010-12-31 75419
2011-03-31 83187
2011-06-30 70627
2011-09-30 59211
2011-12-31 60859
2012-03-31 60229
2012-06-30 55080
2012-09-30 54635
2012-12-31 54620
2013-03-31 58501
2013-06-30 49476
2013-09-30 49760
2013-12-31 45850
2014-03-31 45192
2014-06-30 60059
2014-09-30 44169
2014-12-31 39010
2015-03-31 45859
2015-06-30 46054
2015-09-30 43917
2015-12-31 43376
2016-03-31 42638
2016-06-30 39619
2016-09-30 39205
2016-12-31 40271
2017-03-31 40991
2017-06-30 43337
2017-09-30 44231
2017-12-31 52426
2018-03-31 55354
2018-06-30 54657
2018-09-30 46398
2018-12-31 35673
2019-03-31 34826
2019-06-30 27723
2019-09-30 39940
2019-12-31 32187
2020-03-31 40085
2020-06-30 32618
2020-09-30 35837
2020-12-31 31220
2021-03-31 37295
2021-06-30 35169
2021-09-30 32352
2021-12-31 27670
2022-03-31 36399
2022-06-30 36427
2022-09-30 30383
2022-12-31 36500
2023-03-31 29199
2023-06-30 37210
2023-09-30 38203