Quarterly US dollars
1986-09-30 39
1986-12-31 42
1987-03-31 39
1987-06-30 40
1987-09-30 34
1987-12-31 29
1988-03-31 109
1988-06-30 130
1988-09-30 115
1988-12-31 144
1989-03-31 96
1989-06-30 114
1989-09-30 151
1989-12-31 116
1990-03-31 162
1990-06-30 173
1990-09-30 155
1990-12-31 222
1991-03-31 240
1991-06-30 224
1991-09-30 201
1991-12-31 211
1992-03-31 223
1992-06-30 152
1992-09-30 220
1992-12-31 119
1993-03-31 111
1993-06-30 38
1993-09-30 67
1993-12-31 143
1994-03-31 122
1994-06-30 61
1994-09-30 112
1994-12-31 75
1995-03-31 84
1995-06-30 62
1995-09-30 73
1995-12-31 174
1996-03-31 178
1996-06-30 168
1996-09-30 155
1996-12-31 177
1997-03-31 173
1997-06-30 189
1997-09-30 232
1997-12-31 79
1998-03-31 212
1998-06-30 107
1998-09-30 71
1998-12-31 120
1999-03-31 85
1999-06-30 85
1999-09-30 37
1999-12-31 38
2000-03-31 55
2000-06-30 62
2000-09-30 64
2000-12-31 43
2001-03-31 54
2001-06-30 36
2001-09-30 18
2001-12-31 11
2002-03-31 8
2002-06-30 9
2002-09-30 5
2002-12-31 2
2003-03-31 8
2003-06-30 64
2003-09-30 32
2003-12-31 37
2004-03-31 8
2004-06-30 8
2004-09-30 20
2004-12-31 10
2005-03-31 9
2005-06-30 8
2005-09-30 5
2005-12-31 15
2006-03-31 8
2006-06-30 21
2006-09-30 148
2006-12-31 121
2007-03-31 26
2007-06-30 167
2007-09-30 121
2007-12-31 145
2008-03-31 94
2008-06-30 71
2008-09-30 112
2008-12-31 147
2009-03-31 183
2009-06-30 297
2009-09-30 177
2009-12-31 223
2010-03-31 213
2010-06-30 225
2010-09-30 205
2010-12-31 1054
2011-03-31 293
2011-06-30 135
2011-09-30 99
2011-12-31 117
2012-03-31 149
2012-06-30 103
2012-09-30 87
2012-12-31 88
2013-03-31 78
2013-06-30 115
2013-09-30 106
2013-12-31 118
2014-03-31 552
2014-06-30 546
2014-09-30 140
2014-12-31 296
2015-03-31 111
2015-06-30 327
2015-09-30 265
2015-12-31 318
2016-03-31 70
2016-06-30 29
2016-09-30 31
2016-12-31 55
2017-03-31 123
2017-06-30 79
2017-09-30 145
2017-12-31 267
2018-03-31 107
2018-06-30 551
2018-09-30 390
2018-12-31 101
2019-03-31 169
2019-06-30 363
2019-09-30 434
2019-12-31 341
2020-03-31 649
2020-06-30 1036
2020-09-30 756
2020-12-31 1426
2021-03-31 2130
2021-06-30 3377
2021-09-30 3021
2021-12-31 2681
2022-03-31 2211
2022-06-30 2274
2022-09-30 2349
2022-12-31 3319
2023-03-31 1933
2023-06-30 2110
2023-09-30 2265