Quarterly US dollars
1986-09-30 2973
1986-12-31 3341
1987-03-31 3467
1987-06-30 3528
1987-09-30 3296
1987-12-31 3437
1988-03-31 3388
1988-06-30 3141
1988-09-30 2975
1988-12-31 3280
1989-03-31 3443
1989-06-30 3674
1989-09-30 3776
1989-12-31 3722
1990-03-31 3589
1990-06-30 3640
1990-09-30 3751
1990-12-31 3763
1991-03-31 3099
1991-06-30 3298
1991-09-30 3065
1991-12-31 3201
1992-03-31 3280
1992-06-30 3364
1992-09-30 3534
1992-12-31 3549
1993-03-31 3237
1993-06-30 2961
1993-09-30 2950
1993-12-31 2828
1994-03-31 3193
1994-06-30 3299
1994-09-30 3458
1994-12-31 4041
1995-03-31 3863
1995-06-30 3243
1995-09-30 3364
1995-12-31 3807
1996-03-31 3987
1996-06-30 4237
1996-09-30 3646
1996-12-31 4703
1997-03-31 4297
1997-06-30 3524
1997-09-30 4587
1997-12-31 3704
1998-03-31 3739
1998-06-30 4070
1998-09-30 4115
1998-12-31 3923
1999-03-31 4073
1999-06-30 4869
1999-09-30 4110
1999-12-31 4954
2000-03-31 4746
2000-06-30 5012
2000-09-30 4706
2000-12-31 4879
2001-03-31 5308
2001-06-30 5380
2001-09-30 6443
2001-12-31 7117
2002-03-31 7337
2002-06-30 6109
2002-09-30 5010
2002-12-31 7517
2003-03-31 7493
2003-06-30 9962
2003-09-30 7540
2003-12-31 7790
2004-03-31 6992
2004-06-30 7054
2004-09-30 9443
2004-12-31 8283
2005-03-31 11298
2005-06-30 10716
2005-09-30 9966
2005-12-31 9678
2006-03-31 10991
2006-06-30 10706
2006-09-30 12695
2006-12-31 13823
2007-03-31 13598
2007-06-30 14511
2007-09-30 12955
2007-12-31 12267
2008-03-31 14464
2008-06-30 13476
2008-09-30 9957
2008-12-31 6420
2009-03-31 6629
2009-06-30 7704
2009-09-30 6118
2009-12-31 6526
2010-03-31 7212
2010-06-30 6392
2010-09-30 4758
2010-12-31 5180
2011-03-31 5573
2011-06-30 4551
2011-09-30 5014
2011-12-31 5996
2012-03-31 6163
2012-06-30 7963
2012-09-30 5251
2012-12-31 5651
2013-03-31 4852
2013-06-30 5134
2013-09-30 7504
2013-12-31 5600
2014-03-31 5329
2014-06-30 4776
2014-09-30 5618
2014-12-31 6396
2015-03-31 5635
2015-06-30 5356
2015-09-30 5565
2015-12-31 4875
2016-03-31 5751
2016-06-30 5466
2016-09-30 5448
2016-12-31 6224
2017-03-31 6453
2017-06-30 7373
2017-09-30 7045
2017-12-31 8332
2018-03-31 6657
2018-06-30 6322
2018-09-30 5793
2018-12-31 6483
2019-03-31 6669
2019-06-30 8236
2019-09-30 6324
2019-12-31 7284
2020-03-31 10216
2020-06-30 7568
2020-09-30 7555
2020-12-31 7819
2021-03-31 11974
2021-06-30 8571
2021-09-30 9056
2021-12-31 8885
2022-03-31 8773
2022-06-30 10933
2022-09-30 10369
2022-12-31 12618
2023-03-31 14480
2023-06-30 10373
2023-09-30 10865