Quarterly Millions of US Dollars
1973-10-01 2
1974-01-01 3
1974-04-01 3
1974-07-01 3
1974-10-01 3
1975-01-01 3
1975-04-01 3
1975-07-01 3
1975-10-01 3
1976-01-01 3
1976-04-01 3
1976-07-01 3
1976-10-01 3
1977-01-01 3
1977-04-01 3
1977-07-01 3
1977-10-01 4
1978-01-01 4
1978-04-01 4
1978-07-01 5
1978-10-01 5
1979-01-01 5
1979-04-01 5
1979-07-01 5
1979-10-01 5
1980-01-01 4
1980-04-01 35
1980-07-01 35
1980-10-01 35
1981-01-01 34
1981-04-01 54
1981-07-01 54
1981-10-01 191
1982-01-01 189
1982-04-01 218
1982-07-01 217
1982-10-01 218
1983-01-01 217
1983-04-01 216
1983-07-01 217
1983-10-01 216
1984-01-01 216
1984-04-01 216
1984-07-01 234
1984-10-01 271
1985-01-01 422
1985-04-01 422
1985-07-01 460
1985-10-01 640
1986-01-01 976
1986-04-01 1014
1986-07-01 1044
1986-10-01 1077
1987-01-01 1524
1987-04-01 1525
1987-07-01 1476
1987-10-01 1815
1988-01-01 1786
1988-04-01 1855
1988-07-01 2126
1988-10-01 2240
1989-01-01 2186
1989-04-01 2385
1989-07-01 2429
1989-10-01 2678
1990-01-01 2790
1990-04-01 2830
1990-07-01 3075
1990-10-01 3327
1991-01-01 3568
1991-04-01 3557
1991-07-01 3864
1991-10-01 4279
1992-01-01 3865
1992-04-01 4450
1992-07-01 4663
1992-10-01 4140
1993-01-01 3966
1993-04-01 3925
1993-07-01 2828
1993-10-01 2973
1994-01-01 3278
1994-04-01 3499
1994-07-01 3815
1994-10-01 3361
1995-01-01 3635
1995-04-01 3670
1995-07-01 3656
1995-10-01 3733
1996-01-01 3997
1996-04-01 4015
1996-07-01 4447
1996-10-01 4510
1997-01-01 4712
1997-04-01 5212
1997-07-01 6059
1997-10-01 6083
1998-01-01 6057
1998-04-01 5907
1998-07-01 5734
1998-10-01 5855
1999-01-01 5852
1999-04-01 5427
1999-07-01 5302
1999-10-01 4903
2000-01-01 4573
2000-04-01 4449
2000-07-01 4431
2000-10-01 4429
2001-01-01 4220
2001-04-01 4104
2001-07-01 3973
2001-10-01 3966
2002-01-01 3812
2002-04-01 3942
2002-07-01 3553
2002-10-01 3492
2003-01-01 3272
2003-04-01 3277
2003-07-01 3381
2003-10-01 3489
2004-01-01 4290
2004-04-01 4789
2004-07-01 5061
2004-10-01 5923
2005-01-01 6665
2005-04-01 7176
2005-07-01 8367
2005-10-01 9026
2006-01-01 11771
2006-04-01 14046
2006-07-01 14825
2006-10-01 16214
2007-01-01 20975
2007-04-01 23050
2007-07-01 24787
2007-10-01 27894
2008-01-01 28473
2008-04-01 28516
2008-07-01 28309
2008-10-01 29166
2009-01-01 28266
2009-04-01 27597
2009-07-01 28333
2009-10-01 30467
2010-01-01 30149
2010-04-01 30009
2010-07-01 29001
2010-10-01 28461
2011-01-01 27538
2011-04-01 26403
2011-07-01 27641
2011-10-01 26073
2012-01-01 23077
2012-04-01 20856
2012-07-01 19453
2012-10-01 19442
2013-01-01 20511
2013-04-01 21773
2013-07-01 22815
2013-10-01 22773
2014-01-01 23426
2014-04-01 25376
2014-07-01 27674
2014-10-01 27192
2015-01-01 28117
2015-04-01 30679
2015-07-01 31372
2015-10-01 31143
2016-01-01 30987
2016-04-01 30323
2016-07-01 33996
2016-10-01 34778
2017-01-01 36855
2017-04-01 38236
2017-07-01 39273
2017-10-01 41975
2018-01-01 44154
2018-04-01 42759