Quarterly Millions of US Dollars
1972-07-01 50
1972-10-01 50
1973-01-01 50
1973-04-01 50
1973-07-01 50
1973-10-01 50
1974-01-01 50
1974-04-01 50
1974-07-01 50
1974-10-01 50
1975-01-01 50
1975-04-01 92
1975-07-01 88
1975-10-01 88
1976-01-01 114
1976-04-01 114
1976-07-01 116
1976-10-01 117
1977-01-01 147
1977-04-01 148
1977-07-01 248
1977-10-01 300
1978-01-01 304
1978-04-01 301
1978-07-01 308
1978-10-01 315
1979-01-01 312
1979-04-01 313
1979-07-01 320
1979-10-01 321
1980-01-01 283
1980-04-01 344
1980-07-01 340
1980-10-01 332
1981-01-01 295
1981-04-01 242
1981-07-01 243
1981-10-01 244
1982-01-01 241
1982-04-01 241
1982-07-01 240
1982-10-01 242
1983-01-01 241
1983-04-01 239
1983-07-01 238
1983-10-01 237
1984-01-01 239
1984-04-01 236
1984-07-01 233
1984-10-01 272
1985-01-01 445
1985-04-01 396
1985-07-01 573
1985-10-01 505
1986-01-01 688
1986-04-01 958
1986-07-01 1054
1986-10-01 1117
1987-01-01 1431
1987-04-01 1423
1987-07-01 1438
1987-10-01 1877
1988-01-01 2162
1988-04-01 2048
1988-07-01 2235
1988-10-01 2631
1989-01-01 2887
1989-04-01 2863
1989-07-01 3213
1989-10-01 3423
1990-01-01 3580
1990-04-01 3767
1990-07-01 4212
1990-10-01 4691
1991-01-01 4462
1991-04-01 4416
1991-07-01 4761
1991-10-01 5987
1992-01-01 6154
1992-04-01 6563
1992-07-01 7153
1992-10-01 6571
1993-01-01 7975
1993-04-01 8733
1993-07-01 10145
1993-10-01 10213
1994-01-01 11726
1994-04-01 12324
1994-07-01 13053
1994-10-01 13653
1995-01-01 15036
1995-04-01 15907
1995-07-01 15345
1995-10-01 15695
1996-01-01 15183
1996-04-01 14716
1996-07-01 14066
1996-10-01 13311
1997-01-01 12503
1997-04-01 12718
1997-07-01 12170
1997-10-01 11355
1998-01-01 10797
1998-04-01 10685
1998-07-01 11269
1998-10-01 12151
1999-01-01 11360
1999-04-01 12312
1999-07-01 12437
1999-10-01 12376
2000-01-01 11379
2000-04-01 10751
2000-07-01 9925
2000-10-01 10228
2001-01-01 9700
2001-04-01 10458
2001-07-01 10990
2001-10-01 10053
2002-01-01 9465
2002-04-01 10213
2002-07-01 9892
2002-10-01 10302
2003-01-01 11058
2003-04-01 10702
2003-07-01 11370
2003-10-01 11892
2004-01-01 11348
2004-04-01 11968
2004-07-01 12857
2004-10-01 15480
2005-01-01 17551
2005-04-01 17614
2005-07-01 18276
2005-10-01 18136
2006-01-01 21948
2006-04-01 21623
2006-07-01 23752
2006-10-01 26564
2007-01-01 29571
2007-04-01 30670
2007-07-01 32067
2007-10-01 33032
2008-01-01 36564
2008-04-01 39784
2008-07-01 37058
2008-10-01 35914
2009-01-01 32689
2009-04-01 34278
2009-07-01 36975
2009-10-01 37797
2010-01-01 36758
2010-04-01 34445
2010-07-01 35829
2010-10-01 34807
2011-01-01 39094
2011-04-01 40075
2011-07-01 38384
2011-10-01 36061
2012-01-01 36722
2012-04-01 34769
2012-07-01 35811
2012-10-01 36000
2013-01-01 36451
2013-04-01 37197
2013-07-01 38580
2013-10-01 42124
2014-01-01 43687
2014-04-01 42761
2014-07-01 37760
2014-10-01 38697
2015-01-01 35274
2015-04-01 35879
2015-07-01 35850
2015-10-01 34862
2016-01-01 34714
2016-04-01 34573
2016-07-01 33014
2016-10-01 31773
2017-01-01 31947
2017-04-01 31204
2017-07-01 29968
2017-10-01 31092
2018-01-01 29440
2018-04-01 26885