Quarterly US dollars
1986-09-30 44
1986-12-31 45
1987-03-31 44
1987-06-30 44
1987-09-30 43
1987-12-31 45
1988-03-31 57
1988-06-30 55
1988-09-30 53
1988-12-31 58
1989-03-31 64
1989-06-30 51
1989-09-30 46
1989-12-31 50
1990-03-31 50
1990-06-30 50
1990-09-30 52
1990-12-31 44
1991-03-31 38
1991-06-30 36
1991-09-30 38
1991-12-31 41
1992-03-31 38
1992-06-30 41
1992-09-30 51
1992-12-31 46
1993-03-31 36
1993-06-30 35
1993-09-30 34
1993-12-31 36
1994-03-31 34
1994-06-30 40
1994-09-30 54
1994-12-31 55
1995-03-31 63
1995-06-30 66
1995-09-30 101
1995-12-31 120
1996-03-31 123
1996-06-30 116
1996-09-30 115
1996-12-31 120
1997-03-31 162
1997-06-30 119
1997-09-30 114
1997-12-31 112
1998-03-31 113
1998-06-30 72
1998-09-30 61
1998-12-31 89
1999-03-31 150
1999-06-30 73
1999-09-30 78
1999-12-31 79
2000-03-31 88
2000-06-30 82
2000-09-30 85
2000-12-31 87
2001-03-31 77
2001-06-30 98
2001-09-30 96
2001-12-31 82
2002-03-31 74
2002-06-30 83
2002-09-30 77
2002-12-31 92
2003-03-31 90
2003-06-30 104
2003-09-30 88
2003-12-31 128
2004-03-31 89
2004-06-30 103
2004-09-30 127
2004-12-31 95
2005-03-31 100
2005-06-30 95
2005-09-30 93
2005-12-31 115
2006-03-31 163
2006-06-30 224
2006-09-30 202
2006-12-31 442
2007-03-31 396
2007-06-30 703
2007-09-30 445
2007-12-31 455
2008-03-31 588
2008-06-30 525
2008-09-30 386
2008-12-31 286
2009-03-31 304
2009-06-30 391
2009-09-30 374
2009-12-31 382
2010-03-31 347
2010-06-30 568
2010-09-30 374
2010-12-31 605
2011-03-31 249
2011-06-30 362
2011-09-30 419
2011-12-31 440
2012-03-31 510
2012-06-30 602
2012-09-30 524
2012-12-31 558
2013-03-31 594
2013-06-30 665
2013-09-30 889
2013-12-31 798
2014-03-31 827
2014-06-30 726
2014-09-30 695
2014-12-31 552
2015-03-31 573
2015-06-30 659
2015-09-30 715
2015-12-31 538
2016-03-31 978
2016-06-30 756
2016-09-30 732
2016-12-31 736
2017-03-31 1154
2017-06-30 1194
2017-09-30 1223
2017-12-31 1225
2018-03-31 987
2018-06-30 1282
2018-09-30 1247
2018-12-31 1252
2019-03-31 1257
2019-06-30 1332
2019-09-30 1483
2019-12-31 1467
2020-03-31 1581
2020-06-30 1597
2020-09-30 1567
2020-12-31 1464
2021-03-31 1706
2021-06-30 1624
2021-09-30 1755
2021-12-31 1784
2022-03-31 1679
2022-06-30 1726
2022-09-30 2146
2022-12-31 1565
2023-03-31 1432
2023-06-30 1342
2023-09-30 1223