Quarterly Millions of US Dollars
1966-04-01 0
1966-07-01 0
1966-10-01 0
1967-01-01 0
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 20
1977-04-01 20
1977-07-01 21
1977-10-01 44
1978-01-01 20
1978-04-01 19
1978-07-01 21
1978-10-01 38
1979-01-01 37
1979-04-01 38
1979-07-01 40
1979-10-01 63
1980-01-01 73
1980-04-01 83
1980-07-01 82
1980-10-01 106
1981-01-01 169
1981-04-01 201
1981-07-01 413
1981-10-01 508
1982-01-01 558
1982-04-01 615
1982-07-01 408
1982-10-01 424
1983-01-01 308
1983-04-01 258
1983-07-01 412
1983-10-01 459
1984-01-01 595
1984-04-01 587
1984-07-01 1245
1984-10-01 1966
1985-01-01 2096
1985-04-01 2253
1985-07-01 1906
1985-10-01 2012
1986-01-01 2074
1986-04-01 2314
1986-07-01 2224
1986-10-01 1416
1987-01-01 1657
1987-04-01 1403
1987-07-01 2088
1987-10-01 3472
1988-01-01 3560
1988-04-01 3660
1988-07-01 3649
1988-10-01 3080
1989-01-01 2497
1989-04-01 2863
1989-07-01 2535
1989-10-01 2535
1990-01-01 3675
1990-04-01 3614
1990-07-01 4451
1990-10-01 6272
1991-01-01 7869
1991-04-01 8063
1991-07-01 7639
1991-10-01 6550
1992-01-01 3892
1992-04-01 4501
1992-07-01 5465
1992-10-01 5152
1993-01-01 5124
1993-04-01 5849
1993-07-01 8967
1993-10-01 6786
1994-01-01 8100
1994-04-01 6282
1994-07-01 6003
1994-10-01 6419
1995-01-01 6302
1995-04-01 6758
1995-07-01 7317
1995-10-01 7117
1996-01-01 6780
1996-04-01 6510
1996-07-01 6703
1996-10-01 7799
1997-01-01 8305
1997-04-01 8075
1997-07-01 9074
1997-10-01 8557
1998-01-01 7626
1998-04-01 6799
1998-07-01 5667
1998-10-01 6363
1999-01-01 6584
1999-04-01 6999
1999-07-01 8531
1999-10-01 6917
2000-01-01 5714
2000-04-01 5236
2000-07-01 6030
2000-10-01 6843
2001-01-01 7928
2001-04-01 7340
2001-07-01 6782
2001-10-01 7365
2002-01-01 7011
2002-04-01 7888
2002-07-01 8030
2002-10-01 8623
2003-01-01 10204
2003-04-01 10036
2003-07-01 9907
2003-10-01 12524
2004-01-01 14745
2004-04-01 14333
2004-07-01 12944
2004-10-01 12985
2005-01-01 12428
2005-04-01 11794
2005-07-01 11985
2005-10-01 14771
2006-01-01 15661
2006-04-01 17179
2006-07-01 18211
2006-10-01 19251
2007-01-01 21076
2007-04-01 21170
2007-07-01 19126
2007-10-01 23807
2008-01-01 29024
2008-04-01 30874
2008-07-01 31041
2008-10-01 36569
2009-01-01 36930
2009-04-01 34282
2009-07-01 52794
2009-10-01 49349
2010-01-01 41233
2010-04-01 43514
2010-07-01 25781
2010-10-01 30131
2011-01-01 33083
2011-04-01 41742
2011-07-01 42498
2011-10-01 36775
2012-01-01 42248
2012-04-01 33109
2012-07-01 33236
2012-10-01 32178
2013-01-01 30323
2013-04-01 33333
2013-07-01 34796
2013-10-01 34683
2014-01-01 27396
2014-04-01 25316
2014-07-01 23302
2014-10-01 26934
2015-01-01 25066
2015-04-01 26825
2015-07-01 25909
2015-10-01 24337
2016-01-01 24447
2016-04-01 22104
2016-07-01 21318
2016-10-01 20822
2017-01-01 23899
2017-04-01 24200
2017-07-01 22930
2017-10-01 21332
2018-01-01 19441
2018-04-01 16067