Quarterly Millions of US Dollars
1978-07-01 62
1978-10-01 62
1979-01-01 61
1979-04-01 61
1979-07-01 61
1979-10-01 62
1980-01-01 61
1980-04-01 62
1980-07-01 62
1980-10-01 62
1981-01-01 61
1981-04-01 61
1981-07-01 60
1981-10-01 61
1982-01-01 60
1982-04-01 60
1982-07-01 59
1982-10-01 60
1983-01-01 59
1983-04-01 59
1983-07-01 34
1983-10-01 34
1984-01-01 34
1984-04-01 34
1984-07-01 123
1984-10-01 123
1985-01-01 123
1985-04-01 123
1985-07-01 124
1985-10-01 125
1986-01-01 124
1986-04-01 124
1986-07-01 90
1986-10-01 90
1987-01-01 127
1987-04-01 120
1987-07-01 85
1987-10-01 50
1988-01-01 50
1988-04-01 50
1988-07-01 50
1988-10-01 50
1989-01-01 50
1989-04-01 50
1989-07-01 50
1989-10-01 78
1990-01-01 50
1990-04-01 50
1990-07-01 50
1990-10-01 50
1991-01-01 50
1991-04-01 50
1991-07-01 50
1991-10-01 50
1992-01-01 50
1992-04-01 50
2002-01-01 450
2002-04-01 450
2002-07-01 750
2002-10-01 750
2003-01-01 750
2003-04-01 750
2003-07-01 750
2003-10-01 950
2004-01-01 950
2004-04-01 950
2004-07-01 950
2004-10-01 1450
2005-01-01 1000
2005-04-01 1500
2005-07-01 2189
2005-10-01 2243
2006-01-01 2790
2006-04-01 3110
2006-07-01 2554
2006-10-01 3167
2007-01-01 3169
2007-04-01 3595
2007-07-01 3726
2007-10-01 3656
2008-01-01 4097
2008-04-01 4047
2008-07-01 3925
2008-10-01 3316
2009-01-01 3251
2009-04-01 3294
2009-07-01 3319
2009-10-01 3313
2010-01-01 3290
2010-04-01 2744
2010-07-01 3814
2010-10-01 3805
2011-01-01 4022
2011-04-01 3105
2011-07-01 3311
2011-10-01 3566
2012-01-01 3592
2012-04-01 3656
2012-07-01 2881
2012-10-01 3653
2013-01-01 3435
2013-04-01 3425
2013-07-01 3350
2013-10-01 3354
2014-01-01 3859
2014-04-01 4867
2014-07-01 5545
2014-10-01 5496
2015-01-01 5549
2015-04-01 6467
2015-07-01 6424
2015-10-01 5729
2016-01-01 6616
2016-04-01 7176
2016-07-01 7471
2016-10-01 10681
2017-01-01 16928
2017-04-01 19662
2017-07-01 19705
2017-10-01 19459
2018-01-01 19588
2018-04-01 19728