Quarterly Millions of US Dollars
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 40
1977-04-01 40
1977-07-01 40
1977-10-01 55
1978-01-01 16
1978-04-01 122
1978-07-01 499
1978-10-01 866
1979-01-01 1031
1979-04-01 1080
1979-07-01 787
1979-10-01 425
1980-01-01 288
1980-04-01 434
1980-07-01 671
1980-10-01 751
1981-01-01 765
1981-04-01 606
1981-07-01 413
1981-10-01 315
1982-01-01 281
1982-04-01 400
1982-07-01 446
1982-10-01 487
1983-01-01 947
1983-04-01 761
1983-07-01 785
1983-10-01 800
1984-01-01 406
1984-04-01 606
1984-07-01 1040
1984-10-01 2278
1985-01-01 3015
1985-04-01 3559
1985-07-01 3567
1985-10-01 3229
1986-01-01 2905
1986-04-01 2949
1986-07-01 3609
1986-10-01 4058
1987-01-01 4244
1987-04-01 4118
1987-07-01 3605
1987-10-01 2930
1988-01-01 3835
1988-04-01 3427
1988-07-01 5010
1988-10-01 5417
1989-01-01 4886
1989-04-01 6240
1989-07-01 5547
1989-10-01 6071
1990-01-01 6991
1990-04-01 6690
1990-07-01 6386
1990-10-01 8458
1991-01-01 9102
1991-04-01 9467
1991-07-01 11427
1991-10-01 10838
1992-01-01 10185
1992-04-01 11675
1992-07-01 12953
1992-10-01 13279
1993-01-01 16113
1993-04-01 16841
1993-07-01 23074
1993-10-01 22629
1994-01-01 21115
1994-04-01 20807
1994-07-01 20876
1994-10-01 18331
1995-01-01 19510
1995-04-01 21487
1995-07-01 21966
1995-10-01 21528
1996-01-01 21818
1996-04-01 22870
1996-07-01 23123
1996-10-01 26283
1997-01-01 26471
1997-04-01 28299
1997-07-01 28304
1997-10-01 31374
1998-01-01 33196
1998-04-01 35290
1998-07-01 41397
1998-10-01 46602
1999-01-01 50465
1999-04-01 54656
1999-07-01 64219
1999-10-01 71877
2000-01-01 74657
2000-04-01 82285
2000-07-01 80277
2000-10-01 91302
2001-01-01 86016
2001-04-01 89553
2001-07-01 91641
2001-10-01 94154
2002-01-01 91787
2002-04-01 98744
2002-07-01 118840
2002-10-01 130261
2003-01-01 151672
2003-04-01 150578
2003-07-01 149087
2003-10-01 165968
2004-01-01 156867
2004-04-01 166289
2004-07-01 163878
2004-10-01 175777
2005-01-01 174863
2005-04-01 165912
2005-07-01 155019
2005-10-01 166745
2006-01-01 166361
2006-04-01 179891
2006-07-01 178769
2006-10-01 186454
2007-01-01 210111
2007-04-01 226292
2007-07-01 226452
2007-10-01 258071
2008-01-01 286435
2008-04-01 299845
2008-07-01 298456
2008-10-01 274110
2009-01-01 264915
2009-04-01 274972
2009-07-01 281193
2009-10-01 266315
2010-01-01 272389
2010-04-01 242913
2010-07-01 289664
2010-10-01 283889
2011-01-01 330469
2011-04-01 337190
2011-07-01 331276
2011-10-01 336080
2012-01-01 340557
2012-04-01 316139
2012-07-01 321483
2012-10-01 342449
2013-01-01 352816
2013-04-01 384521
2013-07-01 377469
2013-10-01 346524
2014-01-01 348336
2014-04-01 327701
2014-07-01 317666
2014-10-01 309044
2015-01-01 281705
2015-04-01 298944
2015-07-01 308315
2015-10-01 287704
2016-01-01 329013
2016-04-01 309592
2016-07-01 297155
2016-10-01 265839
2017-01-01 269648
2017-04-01 293846
2017-07-01 315123
2017-10-01 316811
2018-01-01 352193
2018-04-01 321632