Quarter	Percent of Capacity, Seasonally Adjusted
1993-10-01	74
1994-01-01	75.2
1994-04-01	72.8
1994-07-01	74
1994-10-01	75
1995-01-01	73.4
1995-04-01	73.8
1995-07-01	72.7
1995-10-01	76
1996-01-01	76.9
1996-04-01	78.8
1996-07-01	78.3
1996-10-01	78
1997-01-01	77.3
1997-04-01	79.8
1997-07-01	81.6
1997-10-01	81.1
1998-01-01	80.6
1998-04-01	81.6
1998-07-01	85.4
1998-10-01	81.5
1999-01-01	79.4
1999-04-01	78.5
1999-07-01	81.6
1999-10-01	78.4
2000-01-01	84
2000-04-01	83.9
2000-07-01	83.1
2000-10-01	86.9
2001-01-01	85.7
2001-04-01	87.1
2001-07-01	83.8
2001-10-01	82.7
2002-01-01	74.0
2002-04-01	79.4
2002-07-01	80.2
2002-10-01	80.0
2003-01-01	81.4
2003-04-01	80.8
2003-07-01	80.6
2003-10-01	84.3
2004-01-01	85.6
2004-04-01	80.7
2004-07-01	81.8
2004-10-01	83.6
2005-01-01	82.0
2005-04-01	83.2
2005-07-01	81.7
2005-10-01	83.0
2006-01-01	84.1
2006-04-01	83.9
2006-07-01	86.5
2006-10-01	84.4
2007-01-01	88.6
2007-04-01	87.0
2007-07-01	84.3
2007-10-01	86.8
2008-01-01	84.8
2008-04-01	85.2
2008-07-01	83.3
2008-10-01	80.6
2009-01-01	69.5
2009-04-01	66.0
2009-07-01	64.9
2009-10-01	69.5
2010-01-01	74.0
2010-04-01	72.8
2010-07-01	74.4
2010-10-01	81.7
2011-01-01	83.1
2011-04-01	79.5
2011-07-01	77.3
2011-10-01	75.2
2012-01-01	76.8
2012-04-01	78.6
2012-07-01	79.3
2012-10-01	75.6
2013-01-01	75.4
2013-04-01	82.0
2013-07-01	74.2
2013-10-01	76.7
2014-01-01	79.2
2014-04-01	79.1
2014-07-01	83.2
2014-10-01	81.1
2015-01-01	81.0
2015-04-01	79.1
2015-07-01	86.2
2015-10-01	83.4
2016-01-01	85.4
2016-04-01	83.0
2016-07-01	84.3
2016-10-01	85.4
2017-01-01	87.1
2017-04-01	86.5
2017-07-01	84.4
2017-10-01	83.0
2018-01-01	83.7
2018-04-01	86.3
2018-07-01	84.0
2018-10-01	87.6