Quarterly US dollars
1986-09-30 230
1986-12-31 213
1987-03-31 339
1987-06-30 238
1987-09-30 221
1987-12-31 223
1988-03-31 232
1988-06-30 218
1988-09-30 176
1988-12-31 182
1989-03-31 185
1989-06-30 149
1989-09-30 162
1989-12-31 165
1990-03-31 206
1990-06-30 165
1990-09-30 220
1990-12-31 222
1991-03-31 254
1991-06-30 218
1991-09-30 194
1991-12-31 175
1992-03-31 159
1992-06-30 177
1992-09-30 175
1992-12-31 179
1993-03-31 176
1993-06-30 179
1993-09-30 168
1993-12-31 165
1994-03-31 176
1994-06-30 163
1994-09-30 199
1994-12-31 245
1995-03-31 197
1995-06-30 198
1995-09-30 201
1995-12-31 188
1996-03-31 177
1996-06-30 205
1996-09-30 164
1996-12-31 158
1997-03-31 204
1997-06-30 191
1997-09-30 172
1997-12-31 152
1998-03-31 188
1998-06-30 115
1998-09-30 118
1998-12-31 125
1999-03-31 158
1999-06-30 171
1999-09-30 248
1999-12-31 231
2000-03-31 180
2000-06-30 189
2000-09-30 240
2000-12-31 148
2001-03-31 119
2001-06-30 268
2001-09-30 91
2001-12-31 81
2002-03-31 131
2002-06-30 70
2002-09-30 73
2002-12-31 78
2003-03-31 79
2003-06-30 72
2003-09-30 136
2003-12-31 134
2004-03-31 189
2004-06-30 195
2004-09-30 185
2004-12-31 254
2005-03-31 259
2005-06-30 280
2005-09-30 246
2005-12-31 264
2006-03-31 302
2006-06-30 316
2006-09-30 363
2006-12-31 324
2007-03-31 316
2007-06-30 331
2007-09-30 320
2007-12-31 339
2008-03-31 473
2008-06-30 532
2008-09-30 523
2008-12-31 514
2009-03-31 479
2009-06-30 487
2009-09-30 531
2009-12-31 483
2010-03-31 544
2010-06-30 681
2010-09-30 768
2010-12-31 706
2011-03-31 728
2011-06-30 743
2011-09-30 855
2011-12-31 827
2012-03-31 776
2012-06-30 866
2012-09-30 872
2012-12-31 824
2013-03-31 795
2013-06-30 714
2013-09-30 739
2013-12-31 734
2014-03-31 729
2014-06-30 776
2014-09-30 835
2014-12-31 990
2015-03-31 1059
2015-06-30 844
2015-09-30 786
2015-12-31 1094
2016-03-31 923
2016-06-30 883
2016-09-30 886
2016-12-31 778
2017-03-31 991
2017-06-30 855
2017-09-30 781
2017-12-31 868
2018-03-31 952
2018-06-30 967
2018-09-30 872
2018-12-31 844
2019-03-31 805
2019-06-30 834
2019-09-30 723
2019-12-31 681
2020-03-31 643
2020-06-30 576
2020-09-30 711
2020-12-31 676
2021-03-31 568
2021-06-30 679
2021-09-30 572
2021-12-31 520
2022-03-31 432
2022-06-30 420
2022-09-30 409
2022-12-31 388
2023-03-31 394
2023-06-30 399
2023-09-30 386