Quarterly US dollars
1986-09-30 1531
1986-12-31 1204
1987-03-31 1243
1987-06-30 1124
1987-09-30 1337
1987-12-31 1480
1988-03-31 1533
1988-06-30 1479
1988-09-30 1468
1988-12-31 1728
1989-03-31 1647
1989-06-30 1558
1989-09-30 1381
1989-12-31 1497
1990-03-31 1340
1990-06-30 1222
1990-09-30 1139
1990-12-31 1270
1991-03-31 1169
1991-06-30 1360
1991-09-30 1259
1991-12-31 1531
1992-03-31 1454
1992-06-30 1969
1992-09-30 2005
1992-12-31 2097
1993-03-31 2428
1993-06-30 2455
1993-09-30 2534
1993-12-31 2718
1994-03-31 3287
1994-06-30 3410
1994-09-30 3416
1994-12-31 3688
1995-03-31 3746
1995-06-30 3557
1995-09-30 3523
1995-12-31 3119
1996-03-31 3105
1996-06-30 3199
1996-09-30 3461
1996-12-31 2806
1997-03-31 3371
1997-06-30 3544
1997-09-30 3660
1997-12-31 4770
1998-03-31 4763
1998-06-30 6109
1998-09-30 6676
1998-12-31 6047
1999-03-31 6771
1999-06-30 7070
1999-09-30 8104
1999-12-31 7452
2000-03-31 6783
2000-06-30 7476
2000-09-30 7607
2000-12-31 7914
2001-03-31 6517
2001-06-30 6704
2001-09-30 6213
2001-12-31 6782
2002-03-31 7023
2002-06-30 7836
2002-09-30 7443
2002-12-31 7743
2003-03-31 8262
2003-06-30 7555
2003-09-30 6573
2003-12-31 8403
2004-03-31 9434
2004-06-30 7230
2004-09-30 8001
2004-12-31 7691
2005-03-31 7929
2005-06-30 6599
2005-09-30 8738
2005-12-31 7982
2006-03-31 8098
2006-06-30 7229
2006-09-30 6386
2006-12-31 7393
2007-03-31 7652
2007-06-30 10818
2007-09-30 13723
2007-12-31 18565
2008-03-31 20801
2008-06-30 18358
2008-09-30 20052
2008-12-31 16744
2009-03-31 18022
2009-06-30 18112
2009-09-30 18045
2009-12-31 17068
2010-03-31 17306
2010-06-30 17300
2010-09-30 15717
2010-12-31 19439
2011-03-31 17905
2011-06-30 18398
2011-09-30 16633
2011-12-31 15832
2012-03-31 15330
2012-06-30 15467
2012-09-30 14305
2012-12-31 13030
2013-03-31 11444
2013-06-30 10868
2013-09-30 12371
2013-12-31 11580
2014-03-31 16266
2014-06-30 14641
2014-09-30 17029
2014-12-31 16842
2015-03-31 17772
2015-06-30 18762
2015-09-30 21298
2015-12-31 18852
2016-03-31 21713
2016-06-30 27680
2016-09-30 30833
2016-12-31 28084
2017-03-31 25964
2017-06-30 25203
2017-09-30 30281
2017-12-31 30257
2018-03-31 32671
2018-06-30 33356
2018-09-30 29547
2018-12-31 30582
2019-03-31 31676
2019-06-30 30095
2019-09-30 28943
2019-12-31 31745
2020-03-31 33656
2020-06-30 33571
2020-09-30 27158
2020-12-31 33084
2021-03-31 29375
2021-06-30 26813
2021-09-30 27974
2021-12-31 28118
2022-03-31 30737
2022-06-30 34213
2022-09-30 29677
2022-12-31 29241
2023-03-31 22781
2023-06-30 26373
2023-09-30 24857