Quarterly US dollars
1986-09-30 720
1986-12-31 736
1987-03-31 739
1987-06-30 749
1987-09-30 732
1987-12-31 769
1988-03-31 783
1988-06-30 745
1988-09-30 745
1988-12-31 785
1989-03-31 771
1989-06-30 948
1989-09-30 903
1989-12-31 896
1990-03-31 874
1990-06-30 734
1990-09-30 753
1990-12-31 678
1991-03-31 625
1991-06-30 672
1991-09-30 670
1991-12-31 633
1992-03-31 622
1992-06-30 625
1992-09-30 572
1992-12-31 571
1993-03-31 567
1993-06-30 514
1993-09-30 494
1993-12-31 525
1994-03-31 517
1994-06-30 483
1994-09-30 509
1994-12-31 528
1995-03-31 492
1995-06-30 473
1995-09-30 469
1995-12-31 533
1996-03-31 494
1996-06-30 641
1996-09-30 629
1996-12-31 614
1997-03-31 724
1997-06-30 758
1997-09-30 745
1997-12-31 679
1998-03-31 780
1998-06-30 655
1998-09-30 601
1998-12-31 578
1999-03-31 605
1999-06-30 615
1999-09-30 514
1999-12-31 452
2000-03-31 485
2000-06-30 476
2000-09-30 160
2000-12-31 154
2001-03-31 159
2001-06-30 109
2001-09-30 124
2001-12-31 159
2002-03-31 156
2002-06-30 159
2002-09-30 214
2002-12-31 204
2003-03-31 240
2003-06-30 227
2003-09-30 241
2003-12-31 200
2004-03-31 199
2004-06-30 232
2004-09-30 295
2004-12-31 237
2005-03-31 287
2005-06-30 263
2005-09-30 309
2005-12-31 289
2006-03-31 423
2006-06-30 351
2006-09-30 352
2006-12-31 429
2007-03-31 208
2007-06-30 321
2007-09-30 384
2007-12-31 325
2008-03-31 199
2008-06-30 258
2008-09-30 209
2008-12-31 181
2009-03-31 177
2009-06-30 155
2009-09-30 145
2009-12-31 154
2010-03-31 137
2010-06-30 115
2010-09-30 115
2010-12-31 123
2011-03-31 101
2011-06-30 69
2011-09-30 176
2011-12-31 68
2012-03-31 215
2012-06-30 97
2012-09-30 152
2012-12-31 124
2013-03-31 104
2013-06-30 95
2013-09-30 96
2013-12-31 72
2014-03-31 62
2014-06-30 122
2014-09-30 99
2014-12-31 164
2015-03-31 143
2015-06-30 125
2015-09-30 149
2015-12-31 137
2016-03-31 246
2016-06-30 256
2016-09-30 248
2016-12-31 205
2017-03-31 228
2017-06-30 204
2017-09-30 296
2017-12-31 264
2018-03-31 241
2018-06-30 178
2018-09-30 329
2018-12-31 678
2019-03-31 651
2019-06-30 893
2019-09-30 654
2019-12-31 567
2020-03-31 592
2020-06-30 196
2020-09-30 201
2020-12-31 195
2021-03-31 192
2021-06-30 107
2021-09-30 85
2021-12-31 107
2022-03-31 185
2022-06-30 159
2022-09-30 115
2022-12-31 119
2023-03-31 109
2023-06-30 96
2023-09-30 111