Quarterly Millions of US Dollars
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 0
1982-01-01 0
1982-04-01 0
1982-07-01 0
1982-10-01 0
1983-01-01 0
1983-04-01 0
1983-07-01 0
1983-10-01 20
1984-01-01 20
1984-04-01 20
1984-07-01 20
1984-10-01 0
1985-01-01 0
1985-04-01 0
1985-07-01 0
1985-10-01 180
1986-01-01 180
1986-04-01 180
1986-07-01 180
1986-10-01 25
1987-01-01 40
1987-04-01 40
1987-07-01 40
1987-10-01 15
1988-01-01 0
1988-04-01 0
1988-07-01 0
1988-10-01 0
1989-01-01 0
1989-04-01 0
1989-07-01 36
1989-10-01 35
1990-01-01 32
1990-04-01 171
1990-07-01 185
1990-10-01 230
1991-01-01 227
1991-04-01 173
1991-07-01 135
1991-10-01 296
1992-01-01 403
1992-04-01 334
1992-07-01 391
1992-10-01 163
1993-01-01 328
1993-04-01 350
1993-07-01 738
1993-10-01 727
1994-01-01 625
1994-04-01 911
1994-07-01 961
1994-10-01 1309
1995-01-01 1633
1995-04-01 1627
1995-07-01 1338
1995-10-01 1229
1996-01-01 1039
1996-04-01 1058
1996-07-01 2950
1996-10-01 3322
1997-01-01 3388
1997-04-01 4833
1997-07-01 3420
1997-10-01 4245
1998-01-01 4759
1998-04-01 3924
1998-07-01 3960
1998-10-01 3549
1999-01-01 3140
1999-04-01 2184
1999-07-01 2497
1999-10-01 2934
2000-01-01 2291
2000-04-01 2354
2000-07-01 2075
2000-10-01 1812
2001-01-01 1469
2001-04-01 1276
2001-07-01 1359
2001-10-01 1446
2002-01-01 3135
2002-04-01 3646
2002-07-01 3473
2002-10-01 3121
2003-01-01 3049
2003-04-01 2990
2003-07-01 3847
2003-10-01 6094
2004-01-01 5041
2004-04-01 4525
2004-07-01 4622
2004-10-01 2683
2005-01-01 2599
2005-04-01 5388
2005-07-01 1805
2005-10-01 1949
2006-01-01 2007
2006-04-01 7038
2006-07-01 3635
2006-10-01 4011
2007-01-01 7105
2007-04-01 22628
2007-07-01 19485
2007-10-01 14559
2008-01-01 9572
2008-04-01 14111
2008-07-01 9956
2008-10-01 11099
2009-01-01 9321
2009-04-01 18151
2009-07-01 22353
2009-10-01 10665
2010-01-01 9184
2010-04-01 6234
2010-07-01 9650
2010-10-01 13415
2011-01-01 31308
2011-04-01 43394
2011-07-01 38123
2011-10-01 47095
2012-01-01 34694
2012-04-01 53447
2012-07-01 52963
2012-10-01 74427
2013-01-01 75282
2013-04-01 49447
2013-07-01 49719
2013-10-01 39832
2014-01-01 43686
2014-04-01 48412
2014-07-01 39723
2014-10-01 46191
2015-01-01 37072
2015-04-01 54395
2015-07-01 63800
2015-10-01 55686
2016-01-01 41702
2016-04-01 32112
2016-07-01 29656
2016-10-01 25205
2017-01-01 24829
2017-04-01 13920
2017-07-01 3076
2017-10-01 5499
2018-01-01 4301
2018-04-01 13395