Quarterly Millions of US Dollars
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 17
1978-10-01 62
1979-01-01 61
1979-04-01 60
1979-07-01 96
1979-10-01 108
1980-01-01 95
1980-04-01 106
1980-07-01 146
1980-10-01 85
1981-01-01 78
1981-04-01 100
1981-07-01 27
1981-10-01 27
1982-01-01 60
1982-04-01 49
1982-07-01 70
1982-10-01 75
1983-01-01 70
1983-04-01 162
1983-07-01 137
1983-10-01 133
1984-01-01 106
1984-04-01 0
1984-07-01 20
1984-10-01 197
1985-01-01 414
1985-04-01 416
1985-07-01 411
1985-10-01 463
1986-01-01 568
1986-04-01 644
1986-07-01 779
1986-10-01 842
1987-01-01 838
1987-04-01 826
1987-07-01 1119
1987-10-01 898
1988-01-01 1145
1988-04-01 1059
1988-07-01 636
1988-10-01 743
1989-01-01 300
1989-04-01 271
1989-07-01 667
1989-10-01 554
1990-01-01 540
1990-04-01 549
1990-07-01 224
1990-10-01 512
1991-01-01 532
1991-04-01 956
1991-07-01 956
1991-10-01 962
1992-01-01 958
1992-04-01 828
1992-07-01 794
1992-10-01 930
1993-01-01 1385
1993-04-01 1127
1993-07-01 1603
1993-10-01 1934
1994-01-01 1969
1994-04-01 1924
1994-07-01 1633
1994-10-01 1051
1995-01-01 2066
1995-04-01 2030
1995-07-01 2108
1995-10-01 1847
1996-01-01 1095
1996-04-01 1173
1996-07-01 1021
1996-10-01 2006
1997-01-01 3391
1997-04-01 3263
1997-07-01 3406
1997-10-01 2951
1998-01-01 1915
1998-04-01 2227
1998-07-01 2924
1998-10-01 2493
1999-01-01 3727
1999-04-01 4525
1999-07-01 4996
1999-10-01 5863
2000-01-01 6816
2000-04-01 9065
2000-07-01 5258
2000-10-01 5414
2001-01-01 6107
2001-04-01 4570
2001-07-01 7988
2001-10-01 10872
2002-01-01 13847
2002-04-01 14680
2002-07-01 15208
2002-10-01 18567
2003-01-01 19023
2003-04-01 22616
2003-07-01 21542
2003-10-01 22046
2004-01-01 26769
2004-04-01 26162
2004-07-01 31984
2004-10-01 37289
2005-01-01 44510
2005-04-01 43720
2005-07-01 47533
2005-10-01 49033
2006-01-01 51846
2006-04-01 57218
2006-07-01 66231
2006-10-01 70021
2007-01-01 83241
2007-04-01 82111
2007-07-01 97156
2007-10-01 78441
2008-01-01 90106
2008-04-01 102347
2008-07-01 100163
2008-10-01 108242
2009-01-01 104955
2009-04-01 97222
2009-07-01 133620
2009-10-01 128853
2010-01-01 118475
2010-04-01 111468
2010-07-01 73786
2010-10-01 72201
2011-01-01 44392
2011-04-01 47942
2011-07-01 46709
2011-10-01 48131
2012-01-01 87744
2012-04-01 90103
2012-07-01 75020
2012-10-01 72322
2013-01-01 63426
2013-04-01 56881
2013-07-01 70748
2013-10-01 111053
2014-01-01 101912
2014-04-01 97683
2014-07-01 89130
2014-10-01 53322
2015-01-01 24934
2015-04-01 22622
2015-07-01 15238
2015-10-01 17444
2016-01-01 38367
2016-04-01 41418
2016-07-01 44573
2016-10-01 47548
2017-01-01 29513
2017-04-01 22384
2017-07-01 20515
2017-10-01 13925
2018-01-01 23346
2018-04-01 22840