Quarterly Millions of US Dollars
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 0
1977-04-01 0
1977-07-01 0
1977-10-01 0
1978-01-01 0
1978-04-01 0
1978-07-01 0
1978-10-01 0
1979-01-01 0
1979-04-01 0
1979-07-01 0
1979-10-01 16
1980-01-01 14
1980-04-01 16
1980-07-01 15
1980-10-01 0
1981-01-01 20
1981-04-01 95
1981-07-01 136
1981-10-01 178
1982-01-01 186
1982-04-01 135
1982-07-01 141
1982-10-01 251
1983-01-01 217
1983-04-01 226
1983-07-01 283
1983-10-01 142
1984-01-01 146
1984-04-01 128
1984-07-01 56
1984-10-01 198
1985-01-01 200
1985-04-01 177
1985-07-01 155
1985-10-01 202
1986-01-01 333
1986-04-01 436
1986-07-01 442
1986-10-01 405
1987-01-01 319
1987-04-01 459
1987-07-01 844
1987-10-01 972
1988-01-01 937
1988-04-01 794
1988-07-01 487
1988-10-01 310
1989-01-01 386
1989-04-01 266
1989-07-01 185
1989-10-01 91
1990-01-01 940
1990-04-01 940
1990-07-01 940
1990-10-01 1088
1991-01-01 204
1991-04-01 435
1991-07-01 475
1991-10-01 499
1992-01-01 665
1992-04-01 439
1992-07-01 904
1992-10-01 910
1993-01-01 680
1993-04-01 768
1993-07-01 1941
1993-10-01 1909
1994-01-01 3243
1994-04-01 3147
1994-07-01 3097
1994-10-01 2474
1995-01-01 1411
1995-04-01 2000
1995-07-01 3708
1995-10-01 3888
1996-01-01 3614
1996-04-01 3056
1996-07-01 1673
1996-10-01 2525
1997-01-01 3074
1997-04-01 3767
1997-07-01 3984
1997-10-01 3298
1998-01-01 3415
1998-04-01 2468
1998-07-01 1888
1998-10-01 2577
1999-01-01 1867
1999-04-01 1961
1999-07-01 2137
1999-10-01 1686
2000-01-01 1959
2000-04-01 2494
2000-07-01 2312
2000-10-01 2070
2001-01-01 2906
2001-04-01 4073
2001-07-01 4482
2001-10-01 4420
2002-01-01 3824
2002-04-01 3526
2002-07-01 3251
2002-10-01 3673
2003-01-01 3981
2003-04-01 5244
2003-07-01 4465
2003-10-01 5334
2004-01-01 5696
2004-04-01 3691
2004-07-01 3618
2004-10-01 2253
2005-01-01 1193
2005-04-01 836
2005-07-01 1297
2005-10-01 1597
2006-01-01 1935
2006-04-01 2408
2006-07-01 2778
2006-10-01 2659
2007-01-01 2604
2007-04-01 2822
2007-07-01 2463
2007-10-01 4425
2008-01-01 5529
2008-04-01 4440
2008-07-01 4681
2008-10-01 2708
2009-01-01 2258
2009-04-01 1950
2009-07-01 1392
2009-10-01 2298
2010-01-01 3937
2010-04-01 3450
2010-07-01 3435
2010-10-01 483
2011-01-01 840
2011-04-01 2804
2011-07-01 2354
2011-10-01 2972
2012-01-01 1469
2012-04-01 839
2012-07-01 4616
2012-10-01 4389
2013-01-01 5699
2013-04-01 7191
2013-07-01 5116
2013-10-01 6225
2014-01-01 10283
2014-04-01 10040
2014-07-01 9656
2014-10-01 8158
2015-01-01 4352
2015-04-01 3372
2015-07-01 6434
2015-10-01 9099
2016-01-01 10362
2016-04-01 11890
2016-07-01 8539
2016-10-01 8933
2017-01-01 8284
2017-04-01 9575
2017-07-01 11660
2017-10-01 9067
2018-01-01 8274
2018-04-01 8246