Quarterly Millions of US Dollars
1975-07-01 19
1975-10-01 19
1976-01-01 48
1976-04-01 47
1976-07-01 50
1976-10-01 52
1977-01-01 51
1977-04-01 52
1977-07-01 52
1977-10-01 57
1978-01-01 59
1978-04-01 58
1978-07-01 61
1978-10-01 65
1979-01-01 64
1979-04-01 64
1979-07-01 68
1979-10-01 68
1980-01-01 61
1980-04-01 67
1980-07-01 66
1980-10-01 61
1981-01-01 56
1981-04-01 49
1981-07-01 50
1981-10-01 53
1982-01-01 49
1982-04-01 48
1982-07-01 47
1982-10-01 50
1983-01-01 21
1983-04-01 20
1983-07-01 19
1983-10-01 18
1984-01-01 19
1984-04-01 18
1984-07-01 17
1984-10-01 16
1985-01-01 16
1985-04-01 16
1993-07-01 110
1993-10-01 110
1994-01-01 110
1994-04-01 110
1994-07-01 110
1994-10-01 181
1995-01-01 178
1995-04-01 190
1995-07-01 198
1995-10-01 193
1996-01-01 191
1996-04-01 109
1996-07-01 107
1996-10-01 152
1997-01-01 84
1997-04-01 193
1997-07-01 302
1997-10-01 301
1998-01-01 341
1998-04-01 879
1998-07-01 1622
1998-10-01 1611
1999-01-01 2118
1999-04-01 1334
1999-07-01 1229
1999-10-01 1150
2000-01-01 1324
2000-04-01 1479
2000-07-01 1344
2000-10-01 1313
2001-01-01 1306
2001-04-01 1200
2001-07-01 1285
2001-10-01 1234
2002-01-01 1195
2002-04-01 1383
2002-07-01 1501
2002-10-01 1481
2003-01-01 1646
2003-04-01 1428
2003-07-01 1464
2003-10-01 1698
2004-01-01 1631
2004-04-01 3177
2004-07-01 3062
2004-10-01 3284
2005-01-01 2999
2005-04-01 2873
2005-07-01 2313
2005-10-01 2936
2006-01-01 2671
2006-04-01 2746
2006-07-01 2740
2006-10-01 2179
2007-01-01 2411
2007-04-01 2442
2007-07-01 2494
2007-10-01 2539
2008-01-01 2657
2008-04-01 2587
2008-07-01 2478
2008-10-01 2550
2009-01-01 2206
2009-04-01 2253
2009-07-01 2731
2009-10-01 3538
2010-01-01 3463
2010-04-01 3839
2010-07-01 4092
2010-10-01 5525
2011-01-01 5694
2011-04-01 6231
2011-07-01 5905
2011-10-01 5714
2012-01-01 6365
2012-04-01 6566
2012-07-01 7528
2012-10-01 7892
2013-01-01 7964
2013-04-01 8472
2013-07-01 8665
2013-10-01 10160
2014-01-01 10176
2014-04-01 9749
2014-07-01 9482
2014-10-01 9348
2015-01-01 9139
2015-04-01 10796
2015-07-01 10764
2015-10-01 10529
2016-01-01 10700
2016-04-01 10545
2016-07-01 10509
2016-10-01 10082
2017-01-01 10206
2017-04-01 10617
2017-07-01 11162
2017-10-01 10746
2018-01-01 11899
2018-04-01 13768