Quarterly Millions of US Dollars
1990-07-01 0
1990-10-01 0
1991-01-01 0
1991-04-01 0
1991-07-01 0
1991-10-01 0
1992-01-01 0
1992-04-01 0
1992-07-01 111
1992-10-01 111
1993-01-01 111
1993-04-01 111
1994-04-01 20
1994-07-01 20
1994-10-01 20
1995-01-01 0
1995-04-01 0
1995-07-01 0
1995-10-01 0
1996-01-01 0
1996-04-01 20
1996-07-01 0
1996-10-01 0
1997-01-01 0
1997-04-01 0
1997-07-01 0
1997-10-01 534
1998-01-01 540
1998-04-01 590
1998-07-01 590
1998-10-01 106
1999-01-01 115
1999-04-01 334
1999-07-01 582
1999-10-01 1950
2000-01-01 1919
2000-04-01 1545
2000-07-01 1404
2000-10-01 450
2001-01-01 469
2001-04-01 345
2001-07-01 274
2001-10-01 1802
2002-01-01 1382
2002-04-01 2462
2002-07-01 2790
2002-10-01 2080
2003-01-01 2354
2003-04-01 1256
2003-07-01 1422
2003-10-01 1666
2004-01-01 1307
2004-04-01 2368
2004-07-01 1871
2004-10-01 1197
2005-01-01 1787
2005-04-01 605
2005-07-01 1204
2005-10-01 1416
2006-01-01 1422
2006-04-01 1494
2006-07-01 1155
2006-10-01 2249
2007-01-01 2412
2007-04-01 2898
2007-07-01 2666
2007-10-01 2192
2008-01-01 4227
2008-04-01 5010
2008-07-01 4697
2008-10-01 4148
2009-01-01 2398
2009-04-01 1844
2009-07-01 2194
2009-10-01 2860
2010-01-01 3312
2010-04-01 2606
2010-07-01 2921
2010-10-01 1914
2011-01-01 1563
2011-04-01 2460
2011-07-01 3388
2011-10-01 3937
2012-01-01 8906
2012-04-01 8514
2012-07-01 7287
2012-10-01 6641
2013-01-01 5769
2013-04-01 7874
2013-07-01 8936
2013-10-01 8486
2014-01-01 4220
2014-04-01 2848
2014-07-01 2930
2014-10-01 6043
2015-01-01 10113
2015-04-01 9137
2015-07-01 10066
2015-10-01 6578
2016-01-01 6923
2016-04-01 7038
2016-07-01 5058
2016-10-01 4469
2017-01-01 1081
2017-04-01 4430
2017-07-01 4524
2017-10-01 4685
2018-01-01 7487
2018-04-01 3889