Quarterly Millions of US Dollars
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 34
1977-10-01 50
1978-01-01 54
1978-04-01 54
1978-07-01 13
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 12
1983-10-01 13
1984-01-01 58
1984-04-01 84
1984-07-01 71
1984-10-01 101
1985-01-01 106
1985-04-01 117
1985-07-01 267
1985-10-01 566
1986-01-01 816
1986-04-01 780
1986-07-01 810
1986-10-01 480
1987-01-01 181
1987-04-01 306
1987-07-01 149
1987-10-01 163
1988-01-01 162
1988-04-01 135
1988-07-01 191
1988-10-01 431
1989-01-01 480
1989-04-01 1057
1989-07-01 1131
1989-10-01 1236
1990-01-01 1344
1990-04-01 1145
1990-07-01 1411
1990-10-01 1144
1991-01-01 1889
1991-04-01 1830
1991-07-01 1825
1991-10-01 1955
1992-01-01 1232
1992-04-01 1033
1992-07-01 995
1992-10-01 1256
1993-01-01 1548
1993-04-01 1609
1993-07-01 1973
1993-10-01 1549
1994-01-01 1421
1994-04-01 1443
1994-07-01 1835
1994-10-01 2050
1995-01-01 2904
1995-04-01 2864
1995-07-01 2454
1995-10-01 2082
1996-01-01 1717
1996-04-01 1369
1996-07-01 1479
1996-10-01 2702
1997-01-01 3535
1997-04-01 4451
1997-07-01 4310
1997-10-01 4338
1998-01-01 4229
1998-04-01 4518
1998-07-01 5088
1998-10-01 5797
1999-01-01 8282
1999-04-01 6710
1999-07-01 8559
1999-10-01 8161
2000-01-01 6206
2000-04-01 5000
2000-07-01 6156
2000-10-01 8021
2001-01-01 7737
2001-04-01 8860
2001-07-01 8661
2001-10-01 6997
2002-01-01 6864
2002-04-01 7057
2002-07-01 7584
2002-10-01 7561
2003-01-01 7885
2003-04-01 6585
2003-07-01 6776
2003-10-01 6452
2004-01-01 6157
2004-04-01 6983
2004-07-01 5882
2004-10-01 7207
2005-01-01 7771
2005-04-01 7632
2005-07-01 8338
2005-10-01 5565
2006-01-01 7114
2006-04-01 8731
2006-07-01 8365
2006-10-01 8813
2007-01-01 7408
2007-04-01 5905
2007-07-01 5571
2007-10-01 5834
2008-01-01 7494
2008-04-01 8255
2008-07-01 9139
2008-10-01 11121
2009-01-01 9483
2009-04-01 9093
2009-07-01 7156
2009-10-01 7551
2010-01-01 10468
2010-04-01 9150
2010-07-01 11944
2010-10-01 12622
2011-01-01 12177
2011-04-01 16543
2011-07-01 17524
2011-10-01 18424
2012-01-01 23647
2012-04-01 25401
2012-07-01 28200
2012-10-01 29713
2013-01-01 34361
2013-04-01 41753
2013-07-01 46591
2013-10-01 50883
2014-01-01 56954
2014-04-01 62844
2014-07-01 63808
2014-10-01 62938
2015-01-01 67280
2015-04-01 65931
2015-07-01 56760
2015-10-01 70088
2016-01-01 66388
2016-04-01 61862
2016-07-01 69800
2016-10-01 71722
2017-01-01 76494
2017-04-01 84245
2017-07-01 86312
2017-10-01 94374
2018-01-01 92883
2018-04-01 93280