Quarterly Millions of US Dollars
1993-07-01 1500
1993-10-01 1500
1994-01-01 1500
1994-04-01 1500
1994-07-01 1500
1994-10-01 1500
1995-01-01 1500
1995-04-01 1500
1995-07-01 1500
1995-10-01 1500
1996-01-01 1500
1996-04-01 1500
1996-07-01 1500
1996-10-01 1500
1997-01-01 1500
1997-04-01 1500
1997-07-01 1500
1997-10-01 1500
1998-01-01 1500
1998-04-01 1500
1998-07-01 1500
1998-10-01 1500
1999-01-01 1500
1999-04-01 1500
1999-07-01 1500
1999-10-01 1500
2000-01-01 1500
2000-04-01 1500
2000-07-01 1500
2000-10-01 1500
2001-01-01 1500
2001-04-01 1500
2001-07-01 1500
2001-10-01 1500
2002-01-01 1500
2002-04-01 1500
2002-07-01 1500
2002-10-01 1500
2003-01-01 1500
2003-04-01 1500
2003-07-01 1500
2003-10-01 1500
2004-01-01 2000
2004-04-01 2000
2004-07-01 2000
2004-10-01 2000
2005-01-01 2000
2005-04-01 2000
2005-07-01 2000
2005-10-01 2000
2006-01-01 2000
2006-04-01 2253
2006-07-01 2752
2006-10-01 6248
2007-01-01 6262
2007-04-01 7524
2007-07-01 11408
2007-10-01 14239
2008-01-01 15985
2008-04-01 16449
2008-07-01 18190
2008-10-01 18159
2009-01-01 18099
2009-04-01 18174
2009-07-01 22679
2009-10-01 23077
2010-01-01 23008
2010-04-01 23917
2010-07-01 24039
2010-10-01 26525
2011-01-01 26094
2011-04-01 26454
2011-07-01 26376
2011-10-01 27836
2012-01-01 29784
2012-04-01 28617
2012-07-01 28655
2012-10-01 28150
2013-01-01 29566
2013-04-01 29580
2013-07-01 28932
2013-10-01 28415
2014-01-01 28716
2014-04-01 35356
2014-07-01 32603
2014-10-01 33820
2015-01-01 33498
2015-04-01 34503
2015-07-01 34528
2015-10-01 34515
2016-01-01 35118
2016-04-01 35801
2016-07-01 35818
2016-10-01 35176
2017-01-01 34761
2017-04-01 35453
2017-07-01 35513
2017-10-01 37999
2018-01-01 37260
2018-04-01 38570