Quarterly US dollars
1986-09-30 1237
1986-12-31 1539
1987-03-31 1881
1987-06-30 1529
1987-09-30 1583
1987-12-31 1877
1988-03-31 1502
1988-06-30 1580
1988-09-30 1455
1988-12-31 1908
1989-03-31 1813
1989-06-30 1767
1989-09-30 2128
1989-12-31 3005
1990-03-31 3026
1990-06-30 2848
1990-09-30 2814
1990-12-31 3185
1991-03-31 2589
1991-06-30 2338
1991-09-30 2502
1991-12-31 2192
1992-03-31 2196
1992-06-30 2145
1992-09-30 2312
1992-12-31 2316
1993-03-31 2185
1993-06-30 1904
1993-09-30 2122
1993-12-31 2156
1994-03-31 2219
1994-06-30 1935
1994-09-30 1769
1994-12-31 2259
1995-03-31 2205
1995-06-30 1998
1995-09-30 2009
1995-12-31 2674
1996-03-31 2740
1996-06-30 4413
1996-09-30 4469
1996-12-31 5660
1997-03-31 4684
1997-06-30 5726
1997-09-30 5476
1997-12-31 6474
1998-03-31 6678
1998-06-30 7727
1998-09-30 17106
1998-12-31 7054
1999-03-31 6845
1999-06-30 5347
1999-09-30 5689
1999-12-31 5576
2000-03-31 4812
2000-06-30 5175
2000-09-30 5443
2000-12-31 6453
2001-03-31 6373
2001-06-30 7415
2001-09-30 7149
2001-12-31 7527
2002-03-31 6706
2002-06-30 7034
2002-09-30 8386
2002-12-31 7484
2003-03-31 8051
2003-06-30 9480
2003-09-30 12654
2003-12-31 13219
2004-03-31 12758
2004-06-30 15630
2004-09-30 19100
2004-12-31 19848
2005-03-31 18284
2005-06-30 22655
2005-09-30 17631
2005-12-31 16573
2006-03-31 17426
2006-06-30 18058
2006-09-30 17893
2006-12-31 18324
2007-03-31 20216
2007-06-30 21981
2007-09-30 27422
2007-12-31 32166
2008-03-31 34235
2008-06-30 29103
2008-09-30 28398
2008-12-31 16647
2009-03-31 14129
2009-06-30 13083
2009-09-30 11960
2009-12-31 15903
2010-03-31 13500
2010-06-30 13016
2010-09-30 13909
2010-12-31 12490
2011-03-31 14205
2011-06-30 15527
2011-09-30 12788
2011-12-31 10844
2012-03-31 10047
2012-06-30 10529
2012-09-30 9583
2012-12-31 10367
2013-03-31 8688
2013-06-30 9755
2013-09-30 9905
2013-12-31 11046
2014-03-31 11786
2014-06-30 12005
2014-09-30 10251
2014-12-31 10521
2015-03-31 10613
2015-06-30 11518
2015-09-30 12321
2015-12-31 10731
2016-03-31 11362
2016-06-30 12312
2016-09-30 10558
2016-12-31 8923
2017-03-31 9335
2017-06-30 8847
2017-09-30 8389
2017-12-31 7985
2018-03-31 8849
2018-06-30 9176
2018-09-30 9040
2018-12-31 10258
2019-03-31 8869
2019-06-30 9164
2019-09-30 8726
2019-12-31 9607
2020-03-31 11705
2020-06-30 10823
2020-09-30 9551
2020-12-31 10451
2021-03-31 11697
2021-06-30 10170
2021-09-30 10511
2021-12-31 10675
2022-03-31 9867
2022-06-30 9109
2022-09-30 9218
2022-12-31 9556
2023-03-31 8930
2023-06-30 8955
2023-09-30 8774