Quarter	Millions of US Dollars
1982-07-01	0
1982-10-01	0
1983-01-01	0
1983-04-01	0
1983-07-01	0
1983-10-01	0
1984-01-01	0
1984-04-01	0
1984-07-01	0
1984-10-01	0
1985-01-01	0
1985-04-01	0
1985-07-01	0
1985-10-01	0
1986-01-01	0
1986-04-01	0
1986-07-01	0
1986-10-01	0
1987-01-01	0
1987-04-01	0
1987-07-01	0
1987-10-01	0
1988-01-01	0
1988-04-01	0
1988-07-01	0
1988-10-01	100
1989-01-01	100
1989-04-01	100
1989-07-01	103
1989-10-01	703
1990-01-01	1404
1990-04-01	1411
1990-07-01	1441
1990-10-01	753
1991-01-01	3
1991-04-01	86
1991-07-01	222
1991-10-01	241
1992-01-01	224
1992-04-01	507
1992-07-01	564
1992-10-01	491
1993-01-01	620
1993-04-01	409
1993-07-01	313
1993-10-01	294
1994-01-01	217
1994-04-01	101
1994-07-01	148
1994-10-01	212
1995-01-01	328
1995-04-01	328
1995-07-01	414
1995-10-01	1136
1996-01-01	478
1996-04-01	344
1996-07-01	161
1996-10-01	220
1997-01-01	1065
1997-04-01	1142
1997-07-01	1187
1997-10-01	1052
1998-01-01	1676
1998-04-01	2263
1998-07-01	3895
1998-10-01	4046
1999-01-01	2722
1999-04-01	2101
1999-07-01	905
1999-10-01	1828
2000-01-01	2490
2000-04-01	1684
2000-07-01	1563
2000-10-01	1922
2001-01-01	917
2001-04-01	1161
2001-07-01	1880
2001-10-01	2600
2002-01-01	662
2002-04-01	73
2002-07-01	1489
2002-10-01	2154
2003-01-01	2438
2003-04-01	3685
2003-07-01	4566
2003-10-01	1725
2004-01-01	1061
2004-04-01	2062
2004-07-01	1085
2004-10-01	1252
2005-01-01	1128
2005-04-01	55
2005-07-01	3215
2005-10-01	3099
2006-01-01	3176
2006-04-01	4341
2006-07-01	3538
2006-10-01	3998
2007-01-01	4498
2007-04-01	4358
2007-07-01	1870
2007-10-01	1582
2008-01-01	1163
2008-04-01	459
2008-07-01	286
2008-10-01	2374
2009-01-01	266
2009-04-01	0
2009-07-01	0
2009-10-01	2651
2010-01-01	1278
2010-04-01	7373
2010-07-01	10202
2010-10-01	7940
2011-01-01	8323
2011-04-01	736
2011-07-01	4049
2011-10-01	4097
2012-01-01	3817
2012-04-01	3506
2012-07-01	448
2012-10-01	3029
2013-01-01	1789
2013-04-01	5076
2013-07-01	5233
2013-10-01	11290
2014-01-01	10765
2014-04-01	7263
2014-07-01	6796
2014-10-01	1379
2015-01-01	54
2015-04-01	292
2015-07-01	284
2015-10-01	3489
2016-01-01	3631
2016-04-01	3331
2016-07-01	3348
2016-10-01	3162
2017-01-01	3261
2017-04-01	6904
2017-07-01	7430
2017-10-01	3950
2018-01-01	3996
2018-04-01	4947