Quarterly Millions of US Dollars
1978-01-01 25
1978-04-01 73
1978-07-01 79
1978-10-01 79
1979-01-01 104
1979-04-01 183
1979-07-01 248
1979-10-01 242
1980-01-01 236
1980-04-01 296
1980-07-01 300
1980-10-01 304
1981-01-01 297
1981-04-01 284
1981-07-01 324
1981-10-01 334
1982-01-01 353
1982-04-01 346
1982-07-01 336
1982-10-01 364
1983-01-01 356
1983-04-01 355
1983-07-01 462
1983-10-01 466
1984-01-01 580
1984-04-01 482
1984-07-01 512
1984-10-01 503
1985-01-01 903
1985-04-01 946
1985-07-01 1029
1985-10-01 1362
1986-01-01 1422
1986-04-01 1416
1986-07-01 1393
1986-10-01 1376
1987-01-01 1426
1987-04-01 1422
1987-07-01 1425
1987-10-01 1542
1988-01-01 1526
1988-04-01 1402
1988-07-01 1628
1988-10-01 1708
1989-01-01 1687
1989-04-01 1674
1989-07-01 1772
1989-10-01 1770
1990-01-01 1637
1990-04-01 1397
1990-07-01 1465
1990-10-01 1410
1991-01-01 1227
1991-04-01 1217
1991-07-01 1077
1991-10-01 1081
1992-01-01 1298
1992-04-01 1282
1992-07-01 1313
1992-10-01 1264
1993-01-01 1597
1993-04-01 1728
1993-07-01 2962
1993-10-01 4033
1994-01-01 4663
1994-04-01 4832
1994-07-01 5068
1994-10-01 5297
1995-01-01 5539
1995-04-01 5821
1995-07-01 6225
1995-10-01 6669
1996-01-01 7644
1996-04-01 8591
1996-07-01 9956
1996-10-01 10805
1997-01-01 11376
1997-04-01 12688
1997-07-01 12803
1997-10-01 12449
1998-01-01 12391
1998-04-01 12353
1998-07-01 12326
1998-10-01 12731
1999-01-01 12375
1999-04-01 12484
1999-07-01 11997
1999-10-01 12102
2000-01-01 11873
2000-04-01 12043
2000-07-01 11391
2000-10-01 11200
2001-01-01 10742
2001-04-01 10699
2001-07-01 10002
2001-10-01 9299
2002-01-01 8804
2002-04-01 8649
2002-07-01 9524
2002-10-01 9304
2003-01-01 9282
2003-04-01 9127
2003-07-01 8717
2003-10-01 8310
2004-01-01 7436
2004-04-01 7927
2004-07-01 8559
2004-10-01 8924
2005-01-01 9082
2005-04-01 10436
2005-07-01 9920
2005-10-01 10052
2006-01-01 9994
2006-04-01 10512
2006-07-01 10984
2006-10-01 10444
2007-01-01 9884
2007-04-01 8815
2007-07-01 8839
2007-10-01 8622
2008-01-01 8685
2008-04-01 8476
2008-07-01 8438
2008-10-01 8164
2009-01-01 7878
2009-04-01 7948
2009-07-01 7775
2009-10-01 7613
2010-01-01 7382
2010-04-01 7096
2010-07-01 7229
2010-10-01 7147
2011-01-01 7451
2011-04-01 7007
2011-07-01 6616
2011-10-01 6587
2012-01-01 6576
2012-04-01 6565
2012-07-01 7152
2012-10-01 8909
2013-01-01 9461
2013-04-01 9233
2013-07-01 9724
2013-10-01 9336
2014-01-01 9653
2014-04-01 10660
2014-07-01 10311
2014-10-01 10145
2015-01-01 10228
2015-04-01 9486
2015-07-01 9450
2015-10-01 9408
2016-01-01 9382
2016-04-01 9711
2016-07-01 10767
2016-10-01 10706
2017-01-01 10710
2017-04-01 11287
2017-07-01 15462
2017-10-01 13169
2018-01-01 13105
2018-04-01 14310