Quarterly Millions of US Dollars
1973-04-01 43
1973-07-01 43
1973-10-01 43
1974-01-01 43
1974-04-01 43
1974-07-01 43
1974-10-01 43
1975-01-01 43
1975-04-01 43
1975-07-01 43
1975-10-01 43
1976-01-01 43
1976-04-01 43
1976-07-01 43
1976-10-01 43
1977-01-01 43
1977-04-01 43
1977-07-01 43
1977-10-01 43
1978-01-01 43
1978-04-01 68
1978-07-01 68
1978-10-01 68
1979-01-01 68
1979-04-01 68
1979-07-01 68
1979-10-01 68
1980-01-01 68
1980-04-01 98
1980-07-01 98
1980-10-01 98
1981-01-01 98
1981-04-01 98
1981-07-01 98
1981-10-01 98
1982-01-01 98
1982-04-01 138
1982-07-01 138
1982-10-01 138
1983-01-01 138
1983-04-01 113
1983-07-01 113
1983-10-01 113
1984-01-01 113
1984-04-01 113
1984-07-01 113
1984-10-01 70
1985-01-01 70
1985-04-01 40
1985-07-01 40
1985-10-01 32
1986-01-01 32
1986-04-01 32
1986-07-01 32
1986-10-01 32
1987-01-01 32
2001-07-01 1500
2001-10-01 1500
2002-01-01 1500
2002-04-01 1500
2002-07-01 1500
2002-10-01 1500
2003-01-01 1500
2003-04-01 1500
2003-07-01 1500
2003-10-01 1500
2004-01-01 1500
2004-04-01 1500
2004-07-01 1500
2004-10-01 1500
2005-01-01 1500
2005-04-01 1500
2005-07-01 2750
2005-10-01 2750
2006-01-01 2750
2006-04-01 2750
2006-07-01 2250
2006-10-01 2250
2007-01-01 3000
2007-04-01 3000
2007-07-01 4076
2007-10-01 4090
2008-01-01 4102
2008-04-01 4195
2008-07-01 4166
2008-10-01 4156
2009-01-01 4130
2009-04-01 4139
2009-07-01 4159
2009-10-01 4462
2010-01-01 4458
2010-04-01 5920
2010-07-01 5919
2010-10-01 5898
2011-01-01 5868
2011-04-01 5118
2011-07-01 4118
2011-10-01 4107
2012-01-01 4105
2012-04-01 4102
2012-07-01 3109
2012-10-01 3050
2013-01-01 3050
2013-04-01 5750
2013-07-01 6750
2013-10-01 6750
2014-01-01 6750
2014-04-01 6750
2014-07-01 6750
2014-10-01 3750
2015-01-01 3750
2015-04-01 5387
2015-07-01 4137
2015-10-01 5181
2016-01-01 5181
2016-04-01 5181
2016-07-01 4181
2016-10-01 8339
2017-01-01 10418
2017-04-01 12046
2017-07-01 12046
2017-10-01 10728
2018-01-01 13531
2018-04-01 18257