Quarterly US dollars
1986-09-30 8927
1986-12-31 10864
1987-03-31 13067
1987-06-30 15058
1987-09-30 15956
1987-12-31 17717
1988-03-31 13995
1988-06-30 12026
1988-09-30 11759
1988-12-31 11661
1989-03-31 11050
1989-06-30 10012
1989-09-30 10577
1989-12-31 11224
1990-03-31 11158
1990-06-30 10884
1990-09-30 11357
1990-12-31 11732
1991-03-31 10575
1991-06-30 10183
1991-09-30 9706
1991-12-31 9108
1992-03-31 8313
1992-06-30 8312
1992-09-30 7987
1992-12-31 6861
1993-03-31 6426
1993-06-30 6927
1993-09-30 5384
1993-12-31 4884
1994-03-31 5665
1994-06-30 5706
1994-09-30 5848
1994-12-31 5491
1995-03-31 5522
1995-06-30 4285
1995-09-30 3684
1995-12-31 3392
1996-03-31 2959
1996-06-30 3095
1996-09-30 2841
1996-12-31 2739
1997-03-31 2636
1997-06-30 2358
1997-09-30 3006
1997-12-31 3014
1998-03-31 2911
1998-06-30 2335
1998-09-30 2448
1998-12-31 2601
1999-03-31 2175
1999-06-30 2244
1999-09-30 2317
1999-12-31 3406
2000-03-31 2533
2000-06-30 2338
2000-09-30 3137
2000-12-31 2994
2001-03-31 3611
2001-06-30 5552
2001-09-30 4603
2001-12-31 4205
2002-03-31 4479
2002-06-30 4294
2002-09-30 3440
2002-12-31 3286
2003-03-31 3894
2003-06-30 5107
2003-09-30 5722
2003-12-31 9493
2004-03-31 10290
2004-06-30 12346
2004-09-30 14211
2004-12-31 14977
2005-03-31 15689
2005-06-30 9823
2005-09-30 12480
2005-12-31 12772
2006-03-31 14689
2006-06-30 12117
2006-09-30 10237
2006-12-31 10209
2007-03-31 13228
2007-06-30 20191
2007-09-30 17387
2007-12-31 21020
2008-03-31 21741
2008-06-30 16284
2008-09-30 10809
2008-12-31 9563
2009-03-31 10120
2009-06-30 11625
2009-09-30 8773
2009-12-31 6845
2010-03-31 8564
2010-06-30 8507
2010-09-30 7946
2010-12-31 8325
2011-03-31 10388
2011-06-30 7494
2011-09-30 6909
2011-12-31 7005
2012-03-31 5909
2012-06-30 5554
2012-09-30 6199
2012-12-31 7557
2013-03-31 5628
2013-06-30 5895
2013-09-30 6108
2013-12-31 7932
2014-03-31 10974
2014-06-30 11539
2014-09-30 12648
2014-12-31 12777
2015-03-31 13738
2015-06-30 9257
2015-09-30 11061
2015-12-31 10743
2016-03-31 14081
2016-06-30 13667
2016-09-30 17403
2016-12-31 10472
2017-03-31 14284
2017-06-30 14682
2017-09-30 14752
2017-12-31 15647
2018-03-31 14551
2018-06-30 15375
2018-09-30 13943
2018-12-31 13655
2019-03-31 15752
2019-06-30 19339
2019-09-30 16527
2019-12-31 13965
2020-03-31 20043
2020-06-30 18151
2020-09-30 22545
2020-12-31 18353
2021-03-31 18068
2021-06-30 16263
2021-09-30 15824
2021-12-31 16079
2022-03-31 21057
2022-06-30 19102
2022-09-30 19213
2022-12-31 18780
2023-03-31 19749
2023-06-30 19918
2023-09-30 17326