Quarterly US dollars
1986-09-30 2606
1986-12-31 2671
1987-03-31 2781
1987-06-30 3020
1987-09-30 3013
1987-12-31 2931
1988-03-31 2581
1988-06-30 3002
1988-09-30 2922
1988-12-31 2536
1989-03-31 2718
1989-06-30 2941
1989-09-30 2800
1989-12-31 2747
1990-03-31 3211
1990-06-30 3286
1990-09-30 3532
1990-12-31 3669
1991-03-31 1958
1991-06-30 1856
1991-09-30 1456
1991-12-31 1499
1992-03-31 2285
1992-06-30 2940
1992-09-30 3173
1992-12-31 3240
1993-03-31 3095
1993-06-30 2837
1993-09-30 2873
1993-12-31 3090
1994-03-31 3124
1994-06-30 3013
1994-09-30 3060
1994-12-31 3140
1995-03-31 3194
1995-06-30 2800
1995-09-30 3062
1995-12-31 3059
1996-03-31 2863
1996-06-30 2746
1996-09-30 2692
1996-12-31 2543
1997-03-31 2608
1997-06-30 2973
1997-09-30 3073
1997-12-31 3171
1998-03-31 3451
1998-06-30 3812
1998-09-30 3850
1998-12-31 3375
1999-03-31 3996
1999-06-30 3593
1999-09-30 3234
1999-12-31 2862
2000-03-31 3153
2000-06-30 3196
2000-09-30 3541
2000-12-31 3153
2001-03-31 2956
2001-06-30 3396
2001-09-30 3517
2001-12-31 3109
2002-03-31 2923
2002-06-30 3261
2002-09-30 3307
2002-12-31 3435
2003-03-31 3747
2003-06-30 3277
2003-09-30 3255
2003-12-31 3463
2004-03-31 3473
2004-06-30 3467
2004-09-30 3810
2004-12-31 3626
2005-03-31 3435
2005-06-30 3354
2005-09-30 3378
2005-12-31 3961
2006-03-31 3778
2006-06-30 3975
2006-09-30 4403
2006-12-31 4736
2007-03-31 5234
2007-06-30 5521
2007-09-30 5960
2007-12-31 7209
2008-03-31 6905
2008-06-30 6455
2008-09-30 6754
2008-12-31 5494
2009-03-31 4925
2009-06-30 4478
2009-09-30 4134
2009-12-31 4016
2010-03-31 4362
2010-06-30 7248
2010-09-30 3500
2010-12-31 5283
2011-03-31 5728
2011-06-30 4984
2011-09-30 4672
2011-12-31 4146
2012-03-31 3513
2012-06-30 3835
2012-09-30 3419
2012-12-31 2531
2013-03-31 2977
2013-06-30 2680
2013-09-30 2635
2013-12-31 2869
2014-03-31 3242
2014-06-30 2868
2014-09-30 3047
2014-12-31 3400
2015-03-31 3285
2015-06-30 3348
2015-09-30 3733
2015-12-31 3393
2016-03-31 3404
2016-06-30 2878
2016-09-30 3366
2016-12-31 4314
2017-03-31 4210
2017-06-30 3338
2017-09-30 3911
2017-12-31 4474
2018-03-31 3597
2018-06-30 2913
2018-09-30 4147
2018-12-31 3368
2019-03-31 3152
2019-06-30 3825
2019-09-30 3461
2019-12-31 3607
2020-03-31 3339
2020-06-30 3666
2020-09-30 4126
2020-12-31 4193
2021-03-31 4507
2021-06-30 4540
2021-09-30 4811
2021-12-31 4465
2022-03-31 5074
2022-06-30 5260
2022-09-30 5406
2022-12-31 4607
2023-03-31 4268
2023-06-30 3849
2023-09-30 3482