Quarterly US dollars
1986-09-30 3556
1986-12-31 3688
1987-03-31 3748
1987-06-30 3933
1987-09-30 3641
1987-12-31 4280
1988-03-31 3911
1988-06-30 4180
1988-09-30 4423
1988-12-31 4315
1989-03-31 4317
1989-06-30 4506
1989-09-30 4294
1989-12-31 4514
1990-03-31 4521
1990-06-30 5259
1990-09-30 6851
1990-12-31 7161
1991-03-31 7663
1991-06-30 8119
1991-09-30 8473
1991-12-31 9282
1992-03-31 9477
1992-06-30 10212
1992-09-30 10925
1992-12-31 10886
1993-03-31 10720
1993-06-30 10841
1993-09-30 12246
1993-12-31 13569
1994-03-31 14215
1994-06-30 14279
1994-09-30 13918
1994-12-31 13873
1995-03-31 14403
1995-06-30 14318
1995-09-30 14097
1995-12-31 13188
1996-03-31 12397
1996-06-30 12017
1996-09-30 11726
1996-12-31 11942
1997-03-31 12401
1997-06-30 12629
1997-09-30 12108
1997-12-31 11423
1998-03-31 11146
1998-06-30 10959
1998-09-30 10050
1998-12-31 9796
1999-03-31 8748
1999-06-30 8664
1999-09-30 8419
1999-12-31 8148
2000-03-31 8225
2000-06-30 8358
2000-09-30 8304
2000-12-31 8141
2001-03-31 8128
2001-06-30 7811
2001-09-30 7748
2001-12-31 7464
2002-03-31 7306
2002-06-30 7618
2002-09-30 7336
2002-12-31 7766
2003-03-31 7968
2003-06-30 8444
2003-09-30 8677
2003-12-31 8850
2004-03-31 8745
2004-06-30 9233
2004-09-30 9017
2004-12-31 9512
2005-03-31 10280
2005-06-30 11994
2005-09-30 14540
2005-12-31 14584
2006-03-31 14390
2006-06-30 12551
2006-09-30 13752
2006-12-31 14494
2007-03-31 12554
2007-06-30 13061
2007-09-30 12988
2007-12-31 11895
2008-03-31 13062
2008-06-30 10529
2008-09-30 8535
2008-12-31 8342
2009-03-31 6744
2009-06-30 6923
2009-09-30 7704
2009-12-31 7238
2010-03-31 9041
2010-06-30 6416
2010-09-30 6757
2010-12-31 6628
2011-03-31 8161
2011-06-30 8232
2011-09-30 7154
2011-12-31 6915
2012-03-31 6748
2012-06-30 6419
2012-09-30 6108
2012-12-31 6024
2013-03-31 5857
2013-06-30 5444
2013-09-30 5714
2013-12-31 5435
2014-03-31 6016
2014-06-30 5980
2014-09-30 5874
2014-12-31 6268
2015-03-31 4572
2015-06-30 4484
2015-09-30 4752
2015-12-31 4490
2016-03-31 4706
2016-06-30 4673
2016-09-30 6039
2016-12-31 6064
2017-03-31 6153
2017-06-30 6992
2017-09-30 5835
2017-12-31 6022
2018-03-31 5627
2018-06-30 5537
2018-09-30 5503
2018-12-31 5611
2019-03-31 5574
2019-06-30 5641
2019-09-30 5107
2019-12-31 5182
2020-03-31 4789
2020-06-30 4898
2020-09-30 4931
2020-12-31 4203
2021-03-31 4358
2021-06-30 4875
2021-09-30 4338
2021-12-31 4054
2022-03-31 5257
2022-06-30 5954
2022-09-30 5501
2022-12-31 4805
2023-03-31 6052
2023-06-30 4700
2023-09-30 4540