Quarterly US dollars
1986-09-30 3670
1986-12-31 3518
1987-03-31 3801
1987-06-30 3350
1987-09-30 3402
1987-12-31 3554
1988-03-31 3608
1988-06-30 3215
1988-09-30 3231
1988-12-31 3001
1989-03-31 2855
1989-06-30 3232
1989-09-30 3327
1989-12-31 2988
1990-03-31 2817
1990-06-30 3447
1990-09-30 3702
1990-12-31 3960
1991-03-31 3833
1991-06-30 4134
1991-09-30 4732
1991-12-31 4780
1992-03-31 4745
1992-06-30 5321
1992-09-30 5116
1992-12-31 5503
1993-03-31 5472
1993-06-30 5384
1993-09-30 5661
1993-12-31 5664
1994-03-31 5525
1994-06-30 6577
1994-09-30 6787
1994-12-31 7419
1995-03-31 7895
1995-06-30 8196
1995-09-30 9326
1995-12-31 9682
1996-03-31 10921
1996-06-30 11433
1996-09-30 13612
1996-12-31 14661
1997-03-31 15117
1997-06-30 17158
1997-09-30 15923
1997-12-31 13671
1998-03-31 10635
1998-06-30 11228
1998-09-30 10767
1998-12-31 9724
1999-03-31 9362
1999-06-30 8383
1999-09-30 8419
1999-12-31 7823
2000-03-31 9714
2000-06-30 8595
2000-09-30 8872
2000-12-31 7997
2001-03-31 8451
2001-06-30 7987
2001-09-30 8270
2001-12-31 7422
2002-03-31 9773
2002-06-30 9026
2002-09-30 9749
2002-12-31 11052
2003-03-31 10060
2003-06-30 10404
2003-09-30 10155
2003-12-31 11998
2004-03-31 15284
2004-06-30 13703
2004-09-30 14314
2004-12-31 13501
2005-03-31 17656
2005-06-30 12354
2005-09-30 15395
2005-12-31 11251
2006-03-31 15174
2006-06-30 14628
2006-09-30 17838
2006-12-31 13532
2007-03-31 18561
2007-06-30 17136
2007-09-30 19237
2007-12-31 27272
2008-03-31 30871
2008-06-30 22118
2008-09-30 24553
2008-12-31 16380
2009-03-31 13651
2009-06-30 15143
2009-09-30 16793
2009-12-31 18315
2010-03-31 19035
2010-06-30 19865
2010-09-30 20657
2010-12-31 17493
2011-03-31 22357
2011-06-30 23709
2011-09-30 24127
2011-12-31 25580
2012-03-31 24665
2012-06-30 24234
2012-09-30 18300
2012-12-31 17152
2013-03-31 18629
2013-06-30 18422
2013-09-30 17218
2013-12-31 16644
2014-03-31 17774
2014-06-30 18887
2014-09-30 14239
2014-12-31 15239
2015-03-31 13816
2015-06-30 14405
2015-09-30 15390
2015-12-31 14686
2016-03-31 13884
2016-06-30 13110
2016-09-30 13090
2016-12-31 12262
2017-03-31 11403
2017-06-30 12145
2017-09-30 14258
2017-12-31 13690
2018-03-31 10666
2018-06-30 10011
2018-09-30 10352
2018-12-31 12999
2019-03-31 11268
2019-06-30 11729
2019-09-30 11665
2019-12-31 13267
2020-03-31 15389
2020-06-30 14073
2020-09-30 16883
2020-12-31 16779
2021-03-31 18437
2021-06-30 17782
2021-09-30 19537
2021-12-31 20781
2022-03-31 20560
2022-06-30 20657
2022-09-30 19549
2022-12-31 21087
2023-03-31 18734
2023-06-30 17486
2023-09-30 26397