Quarterly US dollars
1986-09-30 3254
1986-12-31 3143
1987-03-31 3150
1987-06-30 3266
1987-09-30 3077
1987-12-31 3076
1988-03-31 3068
1988-06-30 3192
1988-09-30 3131
1988-12-31 3214
1989-03-31 3352
1989-06-30 3379
1989-09-30 3165
1989-12-31 2863
1990-03-31 2694
1990-06-30 2593
1990-09-30 2457
1990-12-31 2990
1991-03-31 2431
1991-06-30 2794
1991-09-30 2906
1991-12-31 2914
1992-03-31 2665
1992-06-30 2560
1992-09-30 2578
1992-12-31 2525
1993-03-31 2368
1993-06-30 2096
1993-09-30 2260
1993-12-31 2558
1994-03-31 2182
1994-06-30 2141
1994-09-30 2130
1994-12-31 1939
1995-03-31 1843
1995-06-30 1752
1995-09-30 1618
1995-12-31 1563
1996-03-31 1505
1996-06-30 1395
1996-09-30 1483
1996-12-31 1680
1997-03-31 2107
1997-06-30 1938
1997-09-30 1951
1997-12-31 2022
1998-03-31 2112
1998-06-30 1877
1998-09-30 1919
1998-12-31 1792
1999-03-31 1635
1999-06-30 1623
1999-09-30 1604
1999-12-31 1528
2000-03-31 1656
2000-06-30 1573
2000-09-30 1515
2000-12-31 1540
2001-03-31 1529
2001-06-30 1448
2001-09-30 1757
2001-12-31 1804
2002-03-31 1853
2002-06-30 2112
2002-09-30 2128
2002-12-31 2216
2003-03-31 1981
2003-06-30 1836
2003-09-30 1788
2003-12-31 1707
2004-03-31 1882
2004-06-30 1633
2004-09-30 1827
2004-12-31 1845
2005-03-31 1583
2005-06-30 2152
2005-09-30 3150
2005-12-31 3616
2006-03-31 3067
2006-06-30 2768
2006-09-30 2297
2006-12-31 1416
2007-03-31 1268
2007-06-30 1356
2007-09-30 1205
2007-12-31 1051
2008-03-31 554
2008-06-30 760
2008-09-30 1339
2008-12-31 1035
2009-03-31 901
2009-06-30 780
2009-09-30 1124
2009-12-31 1023
2010-03-31 1152
2010-06-30 1101
2010-09-30 1697
2010-12-31 1821
2011-03-31 1798
2011-06-30 1468
2011-09-30 1192
2011-12-31 1010
2012-03-31 1161
2012-06-30 1003
2012-09-30 1165
2012-12-31 1030
2013-03-31 759
2013-06-30 706
2013-09-30 541
2013-12-31 467
2014-03-31 334
2014-06-30 386
2014-09-30 469
2014-12-31 263
2015-03-31 719
2015-06-30 2612
2015-09-30 2586
2015-12-31 2497
2016-03-31 2541
2016-06-30 2563
2016-09-30 2520
2016-12-31 2415
2017-03-31 2391
2017-06-30 2403
2017-09-30 2648
2017-12-31 2186
2018-03-31 2216
2018-06-30 1690
2018-09-30 1675
2018-12-31 1713
2019-03-31 564
2019-06-30 142
2019-09-30 77
2019-12-31 28
2020-03-31 38
2020-06-30 30
2020-09-30 36
2020-12-31 59
2021-03-31 10
2021-06-30 26
2021-09-30 11
2021-12-31 35
2022-03-31 84
2022-06-30 114
2022-09-30 67
2022-12-31 61
2023-03-31 83
2023-06-30 53
2023-09-30 43