Quarterly Millions of US Dollars
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 34
1977-10-01 40
1978-01-01 43
1978-04-01 43
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 12
1981-07-01 30
1981-10-01 54
1982-01-01 51
1982-04-01 62
1982-07-01 45
1982-10-01 37
1983-01-01 37
1983-04-01 12
1983-07-01 39
1983-10-01 28
1984-01-01 43
1984-04-01 69
1984-07-01 41
1984-10-01 114
1985-01-01 174
1985-04-01 149
1985-07-01 150
1985-10-01 105
1986-01-01 30
1986-04-01 31
1986-07-01 32
1986-10-01 2
1987-01-01 2
1987-04-01 75
1987-07-01 99
1987-10-01 100
1988-01-01 100
1988-04-01 24
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 60
1990-04-01 147
1990-07-01 202
1990-10-01 289
1991-01-01 328
1991-04-01 383
1991-07-01 459
1991-10-01 457
1992-01-01 337
1992-04-01 230
1992-07-01 108
1992-10-01 82
1993-01-01 85
1993-04-01 50
1993-07-01 461
1993-10-01 511
1994-01-01 1017
1994-04-01 1421
1994-07-01 1305
1994-10-01 1178
1995-01-01 1002
1995-04-01 743
1995-07-01 993
1995-10-01 669
1996-01-01 915
1996-04-01 971
1996-07-01 758
1996-10-01 776
1997-01-01 611
1997-04-01 530
1997-07-01 444
1997-10-01 348
1998-01-01 517
1998-04-01 585
1998-07-01 627
1998-10-01 618
1999-01-01 1157
1999-04-01 1225
1999-07-01 1123
1999-10-01 1539
2000-01-01 1721
2000-04-01 2735
2000-07-01 2677
2000-10-01 2515
2001-01-01 1934
2001-04-01 1290
2001-07-01 2344
2001-10-01 2051
2002-01-01 1771
2002-04-01 2633
2002-07-01 1482
2002-10-01 1645
2003-01-01 1310
2003-04-01 827
2003-07-01 1362
2003-10-01 2226
2004-01-01 2171
2004-04-01 2556
2004-07-01 2752
2004-10-01 2804
2005-01-01 2687
2005-04-01 2930
2005-07-01 2354
2005-10-01 1354
2006-01-01 1503
2006-04-01 1031
2006-07-01 764
2006-10-01 802
2007-01-01 1349
2007-04-01 1345
2007-07-01 1483
2007-10-01 2189
2008-01-01 2199
2008-04-01 2339
2008-07-01 3315
2008-10-01 3860
2009-01-01 2875
2009-04-01 2791
2009-07-01 3243
2009-10-01 4214
2010-01-01 5360
2010-04-01 6663
2010-07-01 5745
2010-10-01 7646
2011-01-01 7900
2011-04-01 11385
2011-07-01 10773
2011-10-01 8960
2012-01-01 4993
2012-04-01 4939
2012-07-01 5943
2012-10-01 7793
2013-01-01 7277
2013-04-01 7831
2013-07-01 8076
2013-10-01 7027
2014-01-01 8495
2014-04-01 7690
2014-07-01 6774
2014-10-01 7045
2015-01-01 6242
2015-04-01 11987
2015-07-01 13780
2015-10-01 12883
2016-01-01 19139
2016-04-01 14872
2016-07-01 14666
2016-10-01 15507
2017-01-01 15299
2017-04-01 16001
2017-07-01 14869
2017-10-01 16625
2018-01-01 14736
2018-04-01 16182