Quarterly Millions of US Dollars
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 21
1979-01-01 20
1979-04-01 20
1979-07-01 21
1979-10-01 0
1980-01-01 0
1980-04-01 0
1980-07-01 0
1980-10-01 51
1981-01-01 48
1981-04-01 42
1981-07-01 187
1981-10-01 239
1982-01-01 305
1982-04-01 358
1982-07-01 216
1982-10-01 240
1983-01-01 152
1983-04-01 77
1983-07-01 176
1983-10-01 183
1984-01-01 327
1984-04-01 318
1984-07-01 842
1984-10-01 1316
1985-01-01 1471
1985-04-01 1570
1985-07-01 1039
1985-10-01 1278
1986-01-01 1333
1986-04-01 1696
1986-07-01 1785
1986-10-01 1112
1987-01-01 1256
1987-04-01 960
1987-07-01 1623
1987-10-01 2775
1988-01-01 2844
1988-04-01 2800
1988-07-01 2835
1988-10-01 1935
1989-01-01 1520
1989-04-01 1914
1989-07-01 1367
1989-10-01 1355
1990-01-01 2088
1990-04-01 1850
1990-07-01 2480
1990-10-01 4126
1991-01-01 5969
1991-04-01 5899
1991-07-01 5493
1991-10-01 4142
1992-01-01 1153
1992-04-01 1482
1992-07-01 1870
1992-10-01 1775
1993-01-01 2032
1993-04-01 2614
1993-07-01 5195
1993-10-01 3804
1994-01-01 5341
1994-04-01 4326
1994-07-01 3822
1994-10-01 3698
1995-01-01 3261
1995-04-01 3434
1995-07-01 3814
1995-10-01 4183
1996-01-01 3698
1996-04-01 3410
1996-07-01 4236
1996-10-01 5520
1997-01-01 5834
1997-04-01 5635
1997-07-01 6655
1997-10-01 5655
1998-01-01 4682
1998-04-01 3958
1998-07-01 2897
1998-10-01 3560
1999-01-01 3800
1999-04-01 3958
1999-07-01 3910
1999-10-01 2976
2000-01-01 1853
2000-04-01 1286
2000-07-01 2120
2000-10-01 2652
2001-01-01 2755
2001-04-01 2936
2001-07-01 1713
2001-10-01 2278
2002-01-01 2094
2002-04-01 2390
2002-07-01 3183
2002-10-01 2744
2003-01-01 2597
2003-04-01 2409
2003-07-01 2037
2003-10-01 1744
2004-01-01 1475
2004-04-01 1669
2004-07-01 1854
2004-10-01 1389
2005-01-01 1445
2005-04-01 800
2005-07-01 121
2005-10-01 1169
2006-01-01 1155
2006-04-01 1127
2006-07-01 1236
2006-10-01 366
2007-01-01 417
2007-04-01 395
2007-07-01 849
2007-10-01 4073
2008-01-01 4260
2008-04-01 4247
2008-07-01 3290
2008-10-01 5263
2009-01-01 2001
2009-04-01 2989
2009-07-01 2647
2009-10-01 4902
2010-01-01 4860
2010-04-01 2652
2010-07-01 2922
2010-10-01 6090
2011-01-01 9236
2011-04-01 12932
2011-07-01 12682
2011-10-01 6754
2012-01-01 9365
2012-04-01 5972
2012-07-01 5803
2012-10-01 5666
2013-01-01 4669
2013-04-01 4761
2013-07-01 4889
2013-10-01 5008
2014-01-01 810
2014-04-01 2343
2014-07-01 2093
2014-10-01 3790
2015-01-01 6073
2015-04-01 6255
2015-07-01 6181
2015-10-01 4435
2016-01-01 4436
2016-04-01 3083
2016-07-01 2759
2016-10-01 2810