Quarterly US dollars
1986-09-30 439
1986-12-31 459
1987-03-31 450
1987-06-30 449
1987-09-30 441
1987-12-31 485
1988-03-31 487
1988-06-30 434
1988-09-30 442
1988-12-31 449
1989-03-31 439
1989-06-30 374
1989-09-30 444
1989-12-31 429
1990-03-31 427
1990-06-30 396
1990-09-30 428
1990-12-31 487
1991-03-31 416
1991-06-30 525
1991-09-30 755
1991-12-31 773
1992-03-31 761
1992-06-30 675
1992-09-30 689
1992-12-31 634
1993-03-31 664
1993-06-30 638
1993-09-30 610
1993-12-31 513
1994-03-31 542
1994-06-30 551
1994-09-30 629
1994-12-31 539
1995-03-31 452
1995-06-30 500
1995-09-30 546
1995-12-31 593
1996-03-31 557
1996-06-30 644
1996-09-30 606
1996-12-31 588
1997-03-31 505
1997-06-30 557
1997-09-30 649
1997-12-31 583
1998-03-31 463
1998-06-30 607
1998-09-30 679
1998-12-31 572
1999-03-31 425
1999-06-30 487
1999-09-30 513
1999-12-31 467
2000-03-31 382
2000-06-30 256
2000-09-30 270
2000-12-31 343
2001-03-31 235
2001-06-30 248
2001-09-30 318
2001-12-31 229
2002-03-31 126
2002-06-30 118
2002-09-30 208
2002-12-31 180
2003-03-31 91
2003-06-30 97
2003-09-30 120
2003-12-31 102
2004-03-31 104
2004-06-30 106
2004-09-30 142
2004-12-31 117
2005-03-31 99
2005-06-30 106
2005-09-30 125
2005-12-31 114
2006-03-31 85
2006-06-30 103
2006-09-30 104
2006-12-31 96
2007-03-31 78
2007-06-30 90
2007-09-30 109
2007-12-31 105
2008-03-31 104
2008-06-30 154
2008-09-30 100
2008-12-31 94
2009-03-31 63
2009-06-30 62
2009-09-30 70
2009-12-31 73
2010-03-31 56
2010-06-30 57
2010-09-30 65
2010-12-31 66
2011-03-31 90
2011-06-30 131
2011-09-30 127
2011-12-31 172
2012-03-31 157
2012-06-30 131
2012-09-30 110
2012-12-31 150
2013-03-31 167
2013-06-30 168
2013-09-30 206
2013-12-31 286
2014-03-31 246
2014-06-30 277
2014-09-30 283
2014-12-31 205
2015-03-31 204
2015-06-30 181
2015-09-30 179
2015-12-31 178
2016-03-31 171
2016-06-30 190
2016-09-30 194
2016-12-31 136
2017-03-31 111
2017-06-30 129
2017-09-30 137
2017-12-31 175
2018-03-31 141
2018-06-30 137
2018-09-30 175
2018-12-31 158
2019-03-31 122
2019-06-30 154
2019-09-30 153
2019-12-31 155
2020-03-31 112
2020-06-30 163
2020-09-30 101
2020-12-31 90
2021-03-31 86
2021-06-30 111
2021-09-30 95
2021-12-31 91
2022-03-31 96
2022-06-30 96
2022-09-30 86
2022-12-31 86
2023-03-31 78
2023-06-30 79
2023-09-30 99