Quarterly Millions of US Dollars
1972-10-01 45
1973-01-01 60
1973-04-01 60
1973-07-01 60
1973-10-01 60
1974-01-01 60
1974-04-01 60
1974-07-01 60
1974-10-01 60
1975-01-01 60
1975-04-01 60
1975-07-01 60
1975-10-01 60
1976-01-01 60
1976-04-01 60
1976-07-01 60
1976-10-01 60
1977-01-01 60
1977-04-01 60
1977-07-01 60
1977-10-01 60
1978-01-01 60
1978-04-01 60
1978-07-01 60
1978-10-01 60
1979-01-01 60
1979-04-01 60
1979-07-01 60
1979-10-01 60
1980-01-01 60
1980-04-01 60
1980-07-01 60
1980-10-01 60
1981-01-01 60
1981-04-01 60
1981-07-01 90
1981-10-01 90
1982-01-01 90
1982-04-01 90
1982-07-01 90
1982-10-01 140
1983-01-01 161
1983-04-01 161
1983-07-01 182
1983-10-01 183
1984-01-01 185
1984-04-01 332
1984-07-01 357
1984-10-01 360
1985-01-01 659
1985-04-01 823
1985-07-01 1152
1985-10-01 1185
1986-01-01 1217
1986-04-01 1279
1986-07-01 1367
1986-10-01 1200
1987-01-01 1510
1987-04-01 1760
1987-07-01 1725
1987-10-01 1825
1988-01-01 2050
1988-04-01 2014
1988-07-01 2039
1988-10-01 2141
1989-01-01 2508
1989-04-01 2561
1989-07-01 2642
1989-10-01 3172
1990-01-01 3191
1990-04-01 3311
1990-07-01 4067
1990-10-01 4394
1991-01-01 5443
1991-04-01 6088
1991-07-01 6339
1991-10-01 7216
1992-01-01 7422
1992-04-01 8605
1992-07-01 9419
1992-10-01 9524
1993-01-01 11004
1993-04-01 12246
1993-07-01 12865
1993-10-01 13770
1994-01-01 14271
1994-04-01 15088
1994-07-01 16435
1994-10-01 18150
1995-01-01 20337
1995-04-01 20185
1995-07-01 19032
1995-10-01 19235
1996-01-01 20745
1996-04-01 20202
1996-07-01 21395
1996-10-01 21173
1997-01-01 20053
1997-04-01 20304
1997-07-01 19341
1997-10-01 20897
1998-01-01 23909
1998-04-01 23148
1998-07-01 23619
1998-10-01 24812
1999-01-01 24941
1999-04-01 23856
1999-07-01 25489
1999-10-01 24406
2000-01-01 25446
2000-04-01 25450
2000-07-01 23980
2000-10-01 24087
2001-01-01 22510
2001-04-01 22118
2001-07-01 23850
2001-10-01 23591
2002-01-01 28082
2002-04-01 31554
2002-07-01 30945
2002-10-01 31588
2003-01-01 41774
2003-04-01 44667
2003-07-01 45886
2003-10-01 48731
2004-01-01 47255
2004-04-01 49089
2004-07-01 49336
2004-10-01 52590
2005-01-01 50398
2005-04-01 50597
2005-07-01 48893
2005-10-01 47537
2006-01-01 53854
2006-04-01 63049
2006-07-01 60866
2006-10-01 68242
2007-01-01 76608
2007-04-01 85971
2007-07-01 87501
2007-10-01 85029
2008-01-01 86428
2008-04-01 93316
2008-07-01 81466
2008-10-01 84666
2009-01-01 89008
2009-04-01 110231
2009-07-01 117818
2009-10-01 104983
2010-01-01 99710
2010-04-01 135517
2010-07-01 157679
2010-10-01 180552
2011-01-01 194481
2011-04-01 210493
2011-07-01 196160
2011-10-01 197011
2012-01-01 187208
2012-04-01 157643
2012-07-01 150195
2012-10-01 150704
2013-01-01 142803
2013-04-01 133055
2013-07-01 131113
2013-10-01 134182
2014-01-01 133099
2014-04-01 133325
2014-07-01 123501
2014-10-01 121971
2015-01-01 105444
2015-04-01 116808
2015-07-01 117288
2015-10-01 105105
2016-01-01 97062
2016-04-01 75634
2016-07-01 63760
2016-10-01 55777
2017-01-01 54268
2017-04-01 45642
2017-07-01 41228
2017-10-01 45127
2018-01-01 54147
2018-04-01 54183