Quarterly Millions of US Dollars
1991-01-01 713
1991-04-01 713
1991-07-01 713
1991-10-01 713
1992-01-01 713
1992-04-01 713
1992-07-01 813
1992-10-01 813
1993-01-01 813
1993-04-01 813
1993-07-01 1063
1993-10-01 1030
1994-01-01 1062
1994-04-01 1440
1994-07-01 2576
1994-10-01 4465
1995-01-01 4874
1995-04-01 5048
1995-07-01 5657
1995-10-01 6504
1996-01-01 8686
1996-04-01 8987
1996-07-01 10309
1996-10-01 10699
1997-01-01 10185
1997-04-01 10456
1997-07-01 10931
1997-10-01 13577
1998-01-01 17090
1998-04-01 16878
1998-07-01 17478
1998-10-01 18865
1999-01-01 19320
1999-04-01 18569
1999-07-01 19624
1999-10-01 18537
2000-01-01 20272
2000-04-01 20340
2000-07-01 19013
2000-10-01 18848
2001-01-01 17571
2001-04-01 17138
2001-07-01 18597
2001-10-01 18604
2002-01-01 22975
2002-04-01 25863
2002-07-01 25131
2002-10-01 25228
2003-01-01 36114
2003-04-01 38370
2003-07-01 39265
2003-10-01 41366
2004-01-01 39373
2004-04-01 41276
2004-07-01 40819
2004-10-01 41853
2005-01-01 39385
2005-04-01 39348
2005-07-01 38508
2005-10-01 37709
2006-01-01 43859
2006-04-01 50523
2006-07-01 48427
2006-10-01 49490
2007-01-01 58662
2007-04-01 67627
2007-07-01 66768
2007-10-01 63944
2008-01-01 61906
2008-04-01 67270
2008-07-01 57760
2008-10-01 57563
2009-01-01 62389
2009-04-01 80177
2009-07-01 86768
2009-10-01 74192
2010-01-01 67438
2010-04-01 64202
2010-07-01 70504
2010-10-01 69227
2011-01-01 72711
2011-04-01 74003
2011-07-01 69492
2011-10-01 66758
2012-01-01 49309
2012-04-01 34943
2012-07-01 35042
2012-10-01 35532
2013-01-01 34473
2013-04-01 27030
2013-07-01 27142
2013-10-01 27588
2014-01-01 27600
2014-04-01 34576
2014-07-01 35632
2014-10-01 34331
2015-01-01 30530
2015-04-01 31692
2015-07-01 31651
2015-10-01 30781
2016-01-01 32094
2016-04-01 30669
2016-07-01 24864
2016-10-01 23444
2017-01-01 23792
2017-04-01 19659
2017-07-01 13973
2017-10-01 14194
2018-01-01 18279
2018-04-01 17295