Quarterly Millions of US Dollars
1971-10-01 15
1972-01-01 15
1972-04-01 47
1972-07-01 64
1972-10-01 64
1973-01-01 70
1973-04-01 78
1973-07-01 78
1973-10-01 71
1974-01-01 75
1974-04-01 75
1974-07-01 73
1974-10-01 101
1975-01-01 111
1975-04-01 111
1975-07-01 139
1975-10-01 147
1976-01-01 149
1976-04-01 148
1976-07-01 186
1976-10-01 307
1977-01-01 306
1977-04-01 360
1977-07-01 399
1977-10-01 557
1978-01-01 792
1978-04-01 978
1978-07-01 1152
1978-10-01 1351
1979-01-01 1587
1979-04-01 1685
1979-07-01 1748
1979-10-01 1891
1980-01-01 1836
1980-04-01 2064
1980-07-01 2092
1980-10-01 2036
1981-01-01 1948
1981-04-01 2048
1981-07-01 2051
1981-10-01 2247
1982-01-01 2163
1982-04-01 2236
1982-07-01 2357
1982-10-01 2541
1983-01-01 2619
1983-04-01 2779
1983-07-01 2886
1983-10-01 2875
1984-01-01 2966
1984-04-01 2891
1984-07-01 2894
1984-10-01 2871
1985-01-01 2962
1985-04-01 3153
1985-07-01 3485
1985-10-01 3413
1986-01-01 3632
1986-04-01 3919
1986-07-01 4180
1986-10-01 4109
1987-01-01 4797
1987-04-01 4741
1987-07-01 4503
1987-10-01 5551
1988-01-01 5330
1988-04-01 5524
1988-07-01 5109
1988-10-01 5267
1989-01-01 5088
1989-04-01 4786
1989-07-01 4881
1989-10-01 4944
1990-01-01 4875
1990-04-01 4804
1990-07-01 5214
1990-10-01 5902
1991-01-01 6578
1991-04-01 6290
1991-07-01 7285
1991-10-01 9557
1992-01-01 11023
1992-04-01 15684
1992-07-01 18641
1992-10-01 20292
1993-01-01 24410
1993-04-01 26382
1993-07-01 26494
1993-10-01 25647
1994-01-01 28037
1994-04-01 31709
1994-07-01 35838
1994-10-01 35827
1995-01-01 40231
1995-04-01 40259
1995-07-01 38545
1995-10-01 37335
1996-01-01 37990
1996-04-01 36783
1996-07-01 36400
1996-10-01 36389
1997-01-01 34486
1997-04-01 33755
1997-07-01 32177
1997-10-01 28150
1998-01-01 26313
1998-04-01 27410
1998-07-01 28562
1998-10-01 27479
1999-01-01 25525
1999-04-01 24803
1999-07-01 25894
1999-10-01 24686
2000-01-01 22193
2000-04-01 21865
2000-07-01 19796
2000-10-01 18827
2001-01-01 16731
2001-04-01 20338
2001-07-01 21126
2001-10-01 19938
2002-01-01 20638
2002-04-01 21343
2002-07-01 20544
2002-10-01 21283
2003-01-01 28515
2003-04-01 33046
2003-07-01 32945
2003-10-01 33686
2004-01-01 34170
2004-04-01 32858
2004-07-01 31341
2004-10-01 33856
2005-01-01 32437
2005-04-01 29501
2005-07-01 29383
2005-10-01 28864
2006-01-01 28480
2006-04-01 29689
2006-07-01 21457
2006-10-01 22540
2007-01-01 20624
2007-04-01 20165
2007-07-01 14128
2007-10-01 14084
2008-01-01 14909
2008-04-01 14675
2008-07-01 6331
2008-10-01 5741
2009-01-01 7946
2009-04-01 3712
2009-07-01 3858
2009-10-01 3853
2010-01-01 5393
2010-04-01 6219
2010-07-01 6496
2010-10-01 8468
2011-01-01 19621
2011-04-01 17530
2011-07-01 17667
2011-10-01 17376
2012-01-01 18895
2012-04-01 21366
2012-07-01 19771
2012-10-01 19907
2013-01-01 19872
2013-04-01 18934
2013-07-01 19804
2013-10-01 23006
2014-01-01 22677
2014-04-01 25283
2014-07-01 25824
2014-10-01 25774
2015-01-01 24576
2015-04-01 28038
2015-07-01 27627
2015-10-01 23863
2016-01-01 18883
2016-04-01 22706
2016-07-01 22447
2016-10-01 21771
2017-01-01 20707
2017-04-01 21956
2017-07-01 24499
2017-10-01 24244
2018-01-01 23884
2018-04-01 20443