Quarterly Millions of US Dollars
1990-04-01 150
1990-07-01 150
1990-10-01 150
1991-01-01 150
1991-04-01 150
1991-07-01 150
1991-10-01 150
1992-01-01 150
1992-04-01 150
1992-07-01 150
1992-10-01 150
1993-01-01 150
1993-04-01 150
1993-07-01 1052
1993-10-01 1010
1994-01-01 597
1994-04-01 739
1994-07-01 594
1994-10-01 557
1995-01-01 503
1995-04-01 534
1995-07-01 561
1995-10-01 523
1996-01-01 507
1996-04-01 482
1996-07-01 490
1996-10-01 585
1997-01-01 586
1997-04-01 914
1997-07-01 880
1997-10-01 882
1998-01-01 968
1998-04-01 945
1998-07-01 1318
1998-10-01 1243
1999-01-01 1199
1999-04-01 1436
1999-07-01 1499
1999-10-01 1462
2000-01-01 1403
2000-04-01 1381
2000-07-01 1338
2000-10-01 1314
2001-01-01 1344
2001-04-01 1556
2001-07-01 1673
2001-10-01 1772
2002-01-01 2253
2002-04-01 2037
2002-07-01 2086
2002-10-01 2034
2003-01-01 2074
2003-04-01 2171
2003-07-01 2572
2003-10-01 3803
2004-01-01 4726
2004-04-01 4870
2004-07-01 6235
2004-10-01 7035
2005-01-01 7224
2005-04-01 7673
2005-07-01 7908
2005-10-01 7251
2006-01-01 7997
2006-04-01 9127
2006-07-01 9247
2006-10-01 9224
2007-01-01 11123
2007-04-01 14314
2007-07-01 12441
2007-10-01 12610
2008-01-01 14240
2008-04-01 14288
2008-07-01 14732
2008-10-01 10236
2009-01-01 9173
2009-04-01 12537
2009-07-01 13268
2009-10-01 13053
2010-01-01 13753
2010-04-01 11915
2010-07-01 12655
2010-10-01 13576
2011-01-01 14909
2011-04-01 16580
2011-07-01 17219
2011-10-01 18095
2012-01-01 12633
2012-04-01 11644
2012-07-01 5666
2012-10-01 11089
2013-01-01 11218
2013-04-01 11701
2013-07-01 12090
2013-10-01 8544
2014-01-01 11267
2014-04-01 12158
2014-07-01 9155
2014-10-01 9001
2015-01-01 7633
2015-04-01 9366
2015-07-01 9455
2015-10-01 9194
2016-01-01 9272
2016-04-01 9703
2016-07-01 11765
2016-10-01 11757
2017-01-01 15216
2017-04-01 19179
2017-07-01 21932
2017-10-01 22165
2018-01-01 24116
2018-04-01 22071