Quarter	Millions of US Dollars
1962-10-01	0
1963-01-01	0
1963-04-01	0
1963-07-01	0
1963-10-01	0
1964-01-01	0
1964-04-01	0
1964-07-01	0
1964-10-01	0
1965-01-01	0
1965-04-01	0
1965-07-01	0
1965-10-01	0
1966-01-01	0
1966-04-01	0
1966-07-01	0
1966-10-01	0
1967-01-01	0
1967-04-01	0
1967-07-01	0
1967-10-01	0
1968-01-01	0
1968-04-01	0
1968-07-01	0
1968-10-01	0
1969-01-01	0
1969-04-01	0
1969-07-01	0
1969-10-01	0
1970-01-01	0
1970-04-01	0
1970-07-01	0
1970-10-01	0
1971-01-01	0
1971-04-01	0
1971-07-01	0
1971-10-01	0
1972-01-01	0
1972-04-01	0
1972-07-01	0
1972-10-01	0
1973-01-01	0
1973-04-01	0
1973-07-01	0
1973-10-01	0
1974-01-01	0
1974-04-01	0
1974-07-01	0
1974-10-01	0
1975-01-01	0
1975-04-01	0
1975-07-01	0
1975-10-01	0
1976-01-01	0
1976-04-01	0
1976-07-01	0
1976-10-01	0
1977-01-01	0
1977-04-01	0
1977-07-01	0
1977-10-01	0
1978-01-01	0
1978-04-01	0
1978-07-01	0
1978-10-01	0
1979-01-01	0
1979-04-01	0
1979-07-01	0
1979-10-01	0
1980-01-01	0
1980-04-01	0
1980-07-01	0
1980-10-01	0
1981-01-01	0
1981-04-01	0
1981-07-01	0
1981-10-01	14
1982-01-01	29
1982-04-01	28
1982-07-01	28
1982-10-01	15
1983-01-01	0
1983-04-01	12
1983-07-01	12
1983-10-01	11
1984-01-01	12
1984-04-01	0
1984-07-01	0
1984-10-01	47
1985-01-01	49
1985-04-01	49
1985-07-01	57
1985-10-01	24
1986-01-01	42
1986-04-01	50
1986-07-01	52
1986-10-01	40
1987-01-01	23
1987-04-01	15
1987-07-01	8
1987-10-01	10
1988-01-01	21
1988-04-01	29
1988-07-01	29
1988-10-01	27
1989-01-01	55
1989-04-01	43
1989-07-01	44
1989-10-01	43
1990-01-01	8
1990-04-01	8
1990-07-01	8
1990-10-01	8
1991-01-01	8
1991-04-01	65
1991-07-01	68
1991-10-01	82
1992-01-01	78
1992-04-01	18
1992-07-01	142
1992-10-01	165
1993-01-01	168
1993-04-01	272
1993-07-01	355
1993-10-01	317
1994-01-01	299
1994-04-01	179
1994-07-01	257
1994-10-01	265
1995-01-01	290
1995-04-01	385
1995-07-01	367
1995-10-01	362
1996-01-01	549
1996-04-01	401
1996-07-01	209
1996-10-01	373
1997-01-01	292
1997-04-01	228
1997-07-01	327
1997-10-01	318
1998-01-01	397
1998-04-01	381
1998-07-01	319
1998-10-01	376
1999-01-01	448
1999-04-01	436
1999-07-01	602
1999-10-01	476
2000-01-01	297
2000-04-01	469
2000-07-01	543
2000-10-01	586
2001-01-01	711
2001-04-01	498
2001-07-01	534
2001-10-01	572
2002-01-01	396
2002-04-01	469
2002-07-01	592
2002-10-01	533
2003-01-01	674
2003-04-01	564
2003-07-01	544
2003-10-01	496
2004-01-01	525
2004-04-01	572
2004-07-01	567
2004-10-01	608
2005-01-01	525
2005-04-01	702
2005-07-01	491
2005-10-01	295
2006-01-01	545
2006-04-01	369
2006-07-01	317
2006-10-01	263
2007-01-01	65
2007-04-01	203
2007-07-01	213
2007-10-01	221
2008-01-01	237
2008-04-01	0
2008-07-01	694
2008-10-01	209
2009-01-01	200
2009-04-01	212
2009-07-01	0
2009-10-01	0
2010-01-01	0
2010-04-01	0
2010-07-01	0
2010-10-01	1336
2011-01-01	1421
2011-04-01	1807
2011-07-01	1688
2011-10-01	323
2012-01-01	334
2012-04-01	0
2012-07-01	0
2012-10-01	0
2013-01-01	200
2013-04-01	200
2013-07-01	200
2013-10-01	200
2014-01-01	0
2014-04-01	0
2014-07-01	0
2014-10-01	0
2015-01-01	22
2015-04-01	1852
2015-07-01	1051
2015-10-01	1050
2016-01-01	1027
2016-04-01	0
2016-07-01	0
2016-10-01	0
2017-01-01	0
2017-04-01	0
2017-07-01	0
2017-10-01	0
2018-01-01	0
2018-04-01	0