Quarterly US dollars
1986-09-30 187
1986-12-31 201
1987-03-31 199
1987-06-30 207
1987-09-30 206
1987-12-31 257
1988-03-31 263
1988-06-30 242
1988-09-30 241
1988-12-31 249
1989-03-31 219
1989-06-30 215
1989-09-30 217
1989-12-31 245
1990-03-31 248
1990-06-30 243
1990-09-30 229
1990-12-31 239
1991-03-31 207
1991-06-30 212
1991-09-30 208
1991-12-31 224
1992-03-31 175
1992-06-30 164
1992-09-30 154
1992-12-31 149
1993-03-31 144
1993-06-30 124
1993-09-30 121
1993-12-31 116
1994-03-31 106
1994-06-30 114
1994-09-30 109
1994-12-31 115
1995-03-31 114
1995-06-30 109
1995-09-30 112
1995-12-31 111
1996-03-31 107
1996-06-30 110
1996-09-30 107
1996-12-31 118
1997-03-31 112
1997-06-30 114
1997-09-30 93
1997-12-31 107
1998-03-31 109
1998-06-30 122
1998-09-30 118
1998-12-31 131
1999-03-31 106
1999-06-30 105
1999-09-30 155
1999-12-31 116
2000-03-31 116
2000-06-30 112
2000-09-30 111
2000-12-31 113
2001-03-31 109
2001-06-30 108
2001-09-30 110
2001-12-31 115
2002-03-31 122
2002-06-30 122
2002-09-30 127
2002-12-31 236
2003-03-31 228
2003-06-30 205
2003-09-30 184
2003-12-31 188
2004-03-31 246
2004-06-30 227
2004-09-30 240
2004-12-31 312
2005-03-31 276
2005-06-30 280
2005-09-30 314
2005-12-31 295
2006-03-31 292
2006-06-30 301
2006-09-30 342
2006-12-31 358
2007-03-31 341
2007-06-30 347
2007-09-30 424
2007-12-31 490
2008-03-31 509
2008-06-30 435
2008-09-30 449
2008-12-31 526
2009-03-31 682
2009-06-30 721
2009-09-30 654
2009-12-31 694
2010-03-31 559
2010-06-30 525
2010-09-30 572
2010-12-31 591
2011-03-31 618
2011-06-30 635
2011-09-30 629
2011-12-31 611
2012-03-31 876
2012-06-30 786
2012-09-30 862
2012-12-31 875
2013-03-31 786
2013-06-30 824
2013-09-30 835
2013-12-31 964
2014-03-31 940
2014-06-30 849
2014-09-30 944
2014-12-31 1013
2015-03-31 810
2015-06-30 858
2015-09-30 838
2015-12-31 907
2016-03-31 982
2016-06-30 955
2016-09-30 974
2016-12-31 979
2017-03-31 1175
2017-06-30 1574
2017-09-30 1708
2017-12-31 1782
2018-03-31 1771
2018-06-30 1911
2018-09-30 1790
2018-12-31 1842
2019-03-31 1866
2019-06-30 1506
2019-09-30 1348
2019-12-31 1273
2020-03-31 1264
2020-06-30 1356
2020-09-30 1046
2020-12-31 725
2021-03-31 517
2021-06-30 505
2021-09-30 476
2021-12-31 524
2022-03-31 427
2022-06-30 366
2022-09-30 368
2022-12-31 391
2023-03-31 380
2023-06-30 390
2023-09-30 376