Quarterly Millions of US Dollars
1977-04-01 50
1977-07-01 50
1977-10-01 50
1978-01-01 50
1978-04-01 50
1978-07-01 50
1978-10-01 50
1979-01-01 50
1979-04-01 50
1979-07-01 50
1979-10-01 50
1980-01-01 50
1980-04-01 80
1980-07-01 80
1980-10-01 80
1981-01-01 80
1981-04-01 80
1981-07-01 80
1981-10-01 80
1982-01-01 80
1982-04-01 30
1982-07-01 49
1982-10-01 76
1983-01-01 96
1983-04-01 95
1983-07-01 96
1983-10-01 126
1984-01-01 250
1984-04-01 368
1984-07-01 403
1984-10-01 438
1985-01-01 479
1985-04-01 539
1985-07-01 731
1985-10-01 824
1986-01-01 965
1986-04-01 1198
1986-07-01 1429
1986-10-01 1456
1987-01-01 1980
1987-04-01 2209
1987-07-01 2614
1987-10-01 3021
1988-01-01 3477
1988-04-01 3888
1988-07-01 3927
1988-10-01 4760
1989-01-01 4532
1989-04-01 4364
1989-07-01 4416
1989-10-01 4390
1990-01-01 4200
1990-04-01 4290
1990-07-01 4417
1990-10-01 3682
1991-01-01 2683
1991-04-01 2648
1991-07-01 2736
1991-10-01 3086
1992-01-01 2869
1992-04-01 3162
1992-07-01 3056
1992-10-01 2697
1993-01-01 3324
1993-04-01 3085
1993-07-01 4335
1993-10-01 5070
1994-01-01 6017
1994-04-01 6108
1994-07-01 7759
1994-10-01 8146
1995-01-01 9797
1995-04-01 11119
1995-07-01 10608
1995-10-01 11498
1996-01-01 11569
1996-04-01 12883
1996-07-01 12538
1996-10-01 12776
1997-01-01 12724
1997-04-01 13621
1997-07-01 14458
1997-10-01 14923
1998-01-01 15646
1998-04-01 16151
1998-07-01 16971
1998-10-01 17102
1999-01-01 15734
1999-04-01 18262
1999-07-01 20007
1999-10-01 22737
2000-01-01 23722
2000-04-01 25242
2000-07-01 26840
2000-10-01 29493
2001-01-01 32307
2001-04-01 35786
2001-07-01 40707
2001-10-01 43432
2002-01-01 45386
2002-04-01 55178
2002-07-01 54538
2002-10-01 59579
2003-01-01 64778
2003-04-01 73079
2003-07-01 77026
2003-10-01 89625
2004-01-01 89441
2004-04-01 92895
2004-07-01 94855
2004-10-01 107176
2005-01-01 105599
2005-04-01 100567
2005-07-01 98374
2005-10-01 111362
2006-01-01 119121
2006-04-01 127593
2006-07-01 135632
2006-10-01 152587
2007-01-01 155274
2007-04-01 173395
2007-07-01 182777
2007-10-01 194021
2008-01-01 214523
2008-04-01 224577
2008-07-01 204961
2008-10-01 201631
2009-01-01 210652
2009-04-01 238549
2009-07-01 258189
2009-10-01 255717
2010-01-01 250448
2010-04-01 217916
2010-07-01 238473
2010-10-01 230330
2011-01-01 241411
2011-04-01 233071
2011-07-01 214947
2011-10-01 207952
2012-01-01 202259
2012-04-01 184439
2012-07-01 177629
2012-10-01 185190
2013-01-01 177109
2013-04-01 174419
2013-07-01 177900
2013-10-01 179761
2014-01-01 175480
2014-04-01 161072
2014-07-01 150571
2014-10-01 137281
2015-01-01 119056
2015-04-01 122490
2015-07-01 120304
2015-10-01 114522
2016-01-01 118442
2016-04-01 113611
2016-07-01 114815
2016-10-01 101349
2017-01-01 98894
2017-04-01 106400
2017-07-01 107186
2017-10-01 103977
2018-01-01 107737
2018-04-01 102921