Quarterly Millions of US Dollars
1967-04-01 0
1967-07-01 0
1967-10-01 0
1968-01-01 0
1968-04-01 0
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 24
1977-04-01 52
1977-07-01 53
1977-10-01 59
1978-01-01 30
1978-04-01 0
1978-07-01 0
1978-10-01 19
1979-01-01 18
1979-04-01 81
1979-07-01 87
1979-10-01 97
1980-01-01 158
1980-04-01 331
1980-07-01 330
1980-10-01 324
1981-01-01 306
1981-04-01 155
1981-07-01 155
1981-10-01 252
1982-01-01 225
1982-04-01 147
1982-07-01 154
1982-10-01 42
1983-01-01 70
1983-04-01 297
1983-07-01 287
1983-10-01 320
1984-01-01 391
1984-04-01 312
1984-07-01 410
1984-10-01 746
1985-01-01 1550
1985-04-01 1926
1985-07-01 1890
1985-10-01 2077
1986-01-01 1311
1986-04-01 1413
1986-07-01 1656
1986-10-01 1346
1987-01-01 2189
1987-04-01 1701
1987-07-01 2217
1987-10-01 3823
1988-01-01 4312
1988-04-01 5214
1988-07-01 4581
1988-10-01 5466
1989-01-01 4663
1989-04-01 4404
1989-07-01 4902
1989-10-01 5002
1990-01-01 4863
1990-04-01 5217
1990-07-01 5669
1990-10-01 4164
1991-01-01 5444
1991-04-01 5084
1991-07-01 4857
1991-10-01 5254
1992-01-01 4678
1992-04-01 6773
1992-07-01 8713
1992-10-01 8438
1993-01-01 7761
1993-04-01 6792
1993-07-01 10544
1993-10-01 12504
1994-01-01 12050
1994-04-01 13523
1994-07-01 13676
1994-10-01 13474
1995-01-01 13240
1995-04-01 16337
1995-07-01 19206
1995-10-01 22476
1996-01-01 22655
1996-04-01 22228
1996-07-01 18278
1996-10-01 20603
1997-01-01 22831
1997-04-01 20907
1997-07-01 22150
1997-10-01 24347
1998-01-01 28594
1998-04-01 28908
1998-07-01 29379
1998-10-01 32615
1999-01-01 26725
1999-04-01 27339
1999-07-01 31468
1999-10-01 30304
2000-01-01 32092
2000-04-01 44541
2000-07-01 40855
2000-10-01 45591
2001-01-01 43919
2001-04-01 50072
2001-07-01 55683
2001-10-01 62703
2002-01-01 59088
2002-04-01 60337
2002-07-01 65036
2002-10-01 66109
2003-01-01 74308
2003-04-01 76971
2003-07-01 81595
2003-10-01 85868
2004-01-01 89248
2004-04-01 94005
2004-07-01 88223
2004-10-01 98277
2005-01-01 97470
2005-04-01 95315
2005-07-01 92038
2005-10-01 104890
2006-01-01 100077
2006-04-01 102416
2006-07-01 109655
2006-10-01 99822
2007-01-01 107526
2007-04-01 127084
2007-07-01 158378
2007-10-01 179368
2008-01-01 205030
2008-04-01 215189
2008-07-01 181747
2008-10-01 157197
2009-01-01 162865
2009-04-01 164405
2009-07-01 167793
2009-10-01 160657
2010-01-01 161212
2010-04-01 157140
2010-07-01 194978
2010-10-01 163609
2011-01-01 205088
2011-04-01 209207
2011-07-01 194779
2011-10-01 211146
2012-01-01 196909
2012-04-01 162655
2012-07-01 151579
2012-10-01 138797
2013-01-01 135670
2013-04-01 149542
2013-07-01 190497
2013-10-01 176372
2014-01-01 167433
2014-04-01 148814
2014-07-01 118684
2014-10-01 117933
2015-01-01 113477
2015-04-01 121379
2015-07-01 129668
2015-10-01 125854
2016-01-01 118173
2016-04-01 120329
2016-07-01 104848
2016-10-01 104946
2017-01-01 109007
2017-04-01 110299
2017-07-01 114292
2017-10-01 101705
2018-01-01 98521
2018-04-01 90019