Quarterly US dollars
1986-09-30 2157
1986-12-31 2450
1987-03-31 2395
1987-06-30 2886
1987-09-30 2918
1987-12-31 3247
1988-03-31 3428
1988-06-30 3760
1988-09-30 3828
1988-12-31 3944
1989-03-31 4316
1989-06-30 4263
1989-09-30 4076
1989-12-31 4364
1990-03-31 4628
1990-06-30 4584
1990-09-30 4472
1990-12-31 3752
1991-03-31 3119
1991-06-30 2950
1991-09-30 2994
1991-12-31 3096
1992-03-31 2991
1992-06-30 3223
1992-09-30 3379
1992-12-31 3278
1993-03-31 3320
1993-06-30 3151
1993-09-30 3042
1993-12-31 3142
1994-03-31 3381
1994-06-30 3533
1994-09-30 3556
1994-12-31 3687
1995-03-31 3407
1995-06-30 3381
1995-09-30 2943
1995-12-31 3108
1996-03-31 3238
1996-06-30 3176
1996-09-30 3219
1996-12-31 3354
1997-03-31 3270
1997-06-30 3158
1997-09-30 3274
1997-12-31 3371
1998-03-31 3230
1998-06-30 3265
1998-09-30 3400
1998-12-31 3449
1999-03-31 3570
1999-06-30 3598
1999-09-30 3594
1999-12-31 3621
2000-03-31 2538
2000-06-30 2613
2000-09-30 2317
2000-12-31 2526
2001-03-31 2480
2001-06-30 2661
2001-09-30 2654
2001-12-31 2649
2002-03-31 2610
2002-06-30 2285
2002-09-30 2302
2002-12-31 2298
2003-03-31 2208
2003-06-30 2676
2003-09-30 2696
2003-12-31 2768
2004-03-31 2732
2004-06-30 2862
2004-09-30 3360
2004-12-31 4009
2005-03-31 3861
2005-06-30 4142
2005-09-30 3788
2005-12-31 3936
2006-03-31 4094
2006-06-30 4416
2006-09-30 4192
2006-12-31 4293
2007-03-31 3990
2007-06-30 4384
2007-09-30 4222
2007-12-31 4259
2008-03-31 4638
2008-06-30 4023
2008-09-30 4082
2008-12-31 3549
2009-03-31 3304
2009-06-30 3639
2009-09-30 2982
2009-12-31 2734
2010-03-31 2736
2010-06-30 2534
2010-09-30 3055
2010-12-31 3661
2011-03-31 3237
2011-06-30 2848
2011-09-30 2568
2011-12-31 3309
2012-03-31 2220
2012-06-30 2348
2012-09-30 2142
2012-12-31 2161
2013-03-31 2215
2013-06-30 2116
2013-09-30 2084
2013-12-31 1569
2014-03-31 1933
2014-06-30 1358
2014-09-30 1354
2014-12-31 1150
2015-03-31 744
2015-06-30 1210
2015-09-30 1076
2015-12-31 1115
2016-03-31 958
2016-06-30 1430
2016-09-30 1473
2016-12-31 1561
2017-03-31 1689
2017-06-30 1164
2017-09-30 775
2017-12-31 1729
2018-03-31 705
2018-06-30 582
2018-09-30 1266
2018-12-31 1073
2019-03-31 541
2019-06-30 639
2019-09-30 1110
2019-12-31 471
2020-03-31 3976
2020-06-30 3843
2020-09-30 708
2020-12-31 452
2021-03-31 1549
2021-06-30 2180
2021-09-30 2509
2021-12-31 2312
2022-03-31 1856
2022-06-30 651
2022-09-30 1239
2022-12-31 1333
2023-03-31 1465
2023-06-30 626
2023-09-30 570