Quarterly US dollars
1986-09-30 2106
1986-12-31 2345
1987-03-31 2226
1987-06-30 2116
1987-09-30 2029
1987-12-31 1913
1988-03-31 1756
1988-06-30 1594
1988-09-30 1414
1988-12-31 1522
1989-03-31 1373
1989-06-30 1204
1989-09-30 1416
1989-12-31 1179
1990-03-31 1094
1990-06-30 1057
1990-09-30 1321
1990-12-31 1309
1991-03-31 1241
1991-06-30 1239
1991-09-30 1364
1991-12-31 1369
1992-03-31 1358
1992-06-30 1569
1992-09-30 1855
1992-12-31 1490
1993-03-31 1702
1993-06-30 1831
1993-09-30 1844
1993-12-31 2293
1994-03-31 2659
1994-06-30 2743
1994-09-30 1450
1994-12-31 1360
1995-03-31 888
1995-06-30 1113
1995-09-30 942
1995-12-31 956
1996-03-31 1039
1996-06-30 1532
1996-09-30 2340
1996-12-31 1556
1997-03-31 1948
1997-06-30 2632
1997-09-30 2422
1997-12-31 2800
1998-03-31 2223
1998-06-30 2432
1998-09-30 1976
1998-12-31 1702
1999-03-31 1572
1999-06-30 1692
1999-09-30 1722
1999-12-31 1495
2000-03-31 1684
2000-06-30 1757
2000-09-30 1747
2000-12-31 2391
2001-03-31 2580
2001-06-30 2759
2001-09-30 1687
2001-12-31 1742
2002-03-31 2342
2002-06-30 2815
2002-09-30 3248
2002-12-31 2923
2003-03-31 3300
2003-06-30 3809
2003-09-30 4131
2003-12-31 3771
2004-03-31 4875
2004-06-30 4469
2004-09-30 5596
2004-12-31 5188
2005-03-31 5879
2005-06-30 5420
2005-09-30 5411
2005-12-31 3856
2006-03-31 5487
2006-06-30 6162
2006-09-30 6095
2006-12-31 5866
2007-03-31 6507
2007-06-30 6393
2007-09-30 5442
2007-12-31 5156
2008-03-31 6009
2008-06-30 6830
2008-09-30 4245
2008-12-31 3403
2009-03-31 3114
2009-06-30 2924
2009-09-30 2641
2009-12-31 2995
2010-03-31 2700
2010-06-30 2581
2010-09-30 2868
2010-12-31 2957
2011-03-31 3717
2011-06-30 4470
2011-09-30 3830
2011-12-31 4370
2012-03-31 2559
2012-06-30 3248
2012-09-30 2979
2012-12-31 3163
2013-03-31 3648
2013-06-30 3927
2013-09-30 4073
2013-12-31 5083
2014-03-31 6869
2014-06-30 7520
2014-09-30 7925
2014-12-31 6201
2015-03-31 6088
2015-06-30 5641
2015-09-30 5334
2015-12-31 4772
2016-03-31 5136
2016-06-30 4677
2016-09-30 2971
2016-12-31 3671
2017-03-31 3862
2017-06-30 4233
2017-09-30 3518
2017-12-31 3607
2018-03-31 4146
2018-06-30 4381
2018-09-30 4184
2018-12-31 3220
2019-03-31 3847
2019-06-30 3303
2019-09-30 3886
2019-12-31 4240
2020-03-31 4571
2020-06-30 4255
2020-09-30 4548
2020-12-31 5499
2021-03-31 4795
2021-06-30 3674
2021-09-30 3871
2021-12-31 4149
2022-03-31 4441
2022-06-30 5116
2022-09-30 4010
2022-12-31 3751
2023-03-31 4002
2023-06-30 4741
2023-09-30 5075