Quarterly Millions of US Dollars
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 0
1984-01-01 25
1984-04-01 55
1984-07-01 55
1984-10-01 70
1985-01-01 46
1985-04-01 16
1985-07-01 16
1985-10-01 2
1986-01-01 2
1986-04-01 3
1986-07-01 4
1986-10-01 2
1987-01-01 2
1987-04-01 2
1987-07-01 26
1987-10-01 26
1988-01-01 25
1988-04-01 25
1988-07-01 0
1988-10-01 0
1989-01-01 0
1989-04-01 0
1989-07-01 0
1989-10-01 0
1990-01-01 0
1990-04-01 0
1990-07-01 0
1990-10-01 0
1991-01-01 0
1991-04-01 50
1991-07-01 50
1991-10-01 50
1992-01-01 50
1992-04-01 0
1992-07-01 0
1992-10-01 0
1993-01-01 0
1993-04-01 0
1993-07-01 57
1993-10-01 54
1994-01-01 58
1994-04-01 61
1994-07-01 45
1994-10-01 30
1995-01-01 230
1995-04-01 295
1995-07-01 295
1995-10-01 360
1996-01-01 160
1996-04-01 120
1996-07-01 95
1996-10-01 50
1997-01-01 50
1997-04-01 175
1997-07-01 325
1997-10-01 275
1998-01-01 350
1998-04-01 222
1998-07-01 199
1998-10-01 256
1999-01-01 169
1999-04-01 301
1999-07-01 176
1999-10-01 356
2000-01-01 351
2000-04-01 616
2000-07-01 841
2000-10-01 760
2001-01-01 962
2001-04-01 1270
2001-07-01 1172
2001-10-01 1028
2002-01-01 1185
2002-04-01 1255
2002-07-01 1258
2002-10-01 1292
2003-01-01 1771
2003-04-01 978
2003-07-01 863
2003-10-01 863
2004-01-01 0
2004-04-01 184
2004-07-01 1166
2004-10-01 2010
2005-01-01 2446
2005-04-01 2982
2005-07-01 2166
2005-10-01 1544
2006-01-01 1559
2006-04-01 1056
2006-07-01 871
2006-10-01 921
2007-01-01 1684
2007-04-01 1670
2007-07-01 1727
2007-10-01 1617
2008-01-01 239
2008-04-01 885
2008-07-01 885
2008-10-01 885
2009-01-01 1372
2009-04-01 794
2009-07-01 1146
2009-10-01 1707
2010-01-01 1096
2010-04-01 1669
2010-07-01 1443
2010-10-01 1570
2011-01-01 2727
2011-04-01 1862
2011-07-01 1862
2011-10-01 1414
2012-01-01 1359
2012-04-01 1368
2012-07-01 1375
2012-10-01 1085
2013-01-01 996
2013-04-01 996
2013-07-01 1526
2013-10-01 2696
2014-01-01 1700
2014-04-01 1700
2014-07-01 1190
2014-10-01 1295
2015-01-01 1844
2015-04-01 2010
2015-07-01 1818
2015-10-01 936
2016-01-01 2594
2016-04-01 3638
2016-07-01 3638
2016-10-01 3522
2017-01-01 2488
2017-04-01 1922
2017-07-01 1986
2017-10-01 1962
2018-01-01 2713
2018-04-01 2012