Quarterly US dollars
1986-09-30 149
1986-12-31 97
1987-03-31 74
1987-06-30 72
1987-09-30 82
1987-12-31 65
1988-03-31 76
1988-06-30 81
1988-09-30 53
1988-12-31 58
1989-03-31 70
1989-06-30 88
1989-09-30 83
1989-12-31 84
1990-03-31 68
1990-06-30 70
1990-09-30 75
1990-12-31 64
1991-03-31 71
1991-06-30 100
1991-09-30 86
1991-12-31 92
1992-03-31 102
1992-06-30 105
1992-09-30 119
1992-12-31 158
1993-03-31 163
1993-06-30 162
1993-09-30 184
1993-12-31 172
1994-03-31 193
1994-06-30 271
1994-09-30 378
1994-12-31 451
1995-03-31 316
1995-06-30 470
1995-09-30 624
1995-12-31 381
1996-03-31 381
1996-06-30 484
1996-09-30 411
1996-12-31 475
1997-03-31 396
1997-06-30 350
1997-09-30 396
1997-12-31 451
1998-03-31 469
1998-06-30 252
1998-09-30 277
1998-12-31 191
1999-03-31 174
1999-06-30 164
1999-09-30 178
1999-12-31 112
2000-03-31 112
2000-06-30 144
2000-09-30 213
2000-12-31 187
2001-03-31 177
2001-06-30 189
2001-09-30 180
2001-12-31 171
2002-03-31 187
2002-06-30 286
2002-09-30 237
2002-12-31 161
2003-03-31 413
2003-06-30 253
2003-09-30 377
2003-12-31 458
2004-03-31 518
2004-06-30 316
2004-09-30 430
2004-12-31 476
2005-03-31 369
2005-06-30 329
2005-09-30 379
2005-12-31 336
2006-03-31 166
2006-06-30 125
2006-09-30 129
2006-12-31 82
2007-03-31 106
2007-06-30 101
2007-09-30 88
2007-12-31 84
2008-03-31 175
2008-06-30 82
2008-09-30 72
2008-12-31 55
2009-03-31 54
2009-06-30 50
2009-09-30 72
2009-12-31 74
2010-03-31 81
2010-06-30 55
2010-09-30 51
2010-12-31 107
2011-03-31 61
2011-06-30 80
2011-09-30 104
2011-12-31 116
2012-03-31 98
2012-06-30 87
2012-09-30 85
2012-12-31 99
2013-03-31 66
2013-06-30 63
2013-09-30 66
2013-12-31 50
2014-03-31 83
2014-06-30 92
2014-09-30 92
2014-12-31 80
2015-03-31 87
2015-06-30 131
2015-09-30 122
2015-12-31 162
2016-03-31 133
2016-06-30 126
2016-09-30 128
2016-12-31 141
2017-03-31 197
2017-06-30 165
2017-09-30 194
2017-12-31 218
2018-03-31 243
2018-06-30 180
2018-09-30 124
2018-12-31 204
2019-03-31 134
2019-06-30 106
2019-09-30 170
2019-12-31 177
2020-03-31 205
2020-06-30 339
2020-09-30 189
2020-12-31 279
2021-03-31 396
2021-06-30 653
2021-09-30 1007
2021-12-31 1070
2022-03-31 684
2022-06-30 740
2022-09-30 784
2022-12-31 778
2023-03-31 938
2023-06-30 752
2023-09-30 685