Quarterly Percent of Capacity, Seasonally Adjusted
1986-04-01 76.8
1986-07-01 74.8
1986-10-01 71.9
1987-01-01 73.6
1987-04-01 78.9
1987-07-01 75.4
1987-10-01 79.8
1988-01-01 76.7
1988-04-01 72.5
1988-07-01 76.9
1988-10-01 75.5
1989-01-01 77
1989-04-01 74.4
1989-07-01 76.7
1989-10-01 75.3
1990-01-01 76.4
1990-04-01 75.5
1990-07-01 73.1
1990-10-01 75.8
1991-01-01 72.9
1991-04-01 73.8
1991-07-01 71.6
1991-10-01 69.7
1992-01-01 69.7
1992-04-01 75.5
1992-07-01 76
1992-10-01 70.8
1993-01-01 70.1
1993-04-01 74
1993-07-01 74.7
1993-10-01 73.8
1994-01-01 76.3
1994-04-01 73.4
1994-07-01 72.7
1994-10-01 75.1
1995-01-01 77.4
1995-04-01 74.7
1995-07-01 76.5
1995-10-01 77.2
1996-01-01 76.3
1996-04-01 77.2
1996-07-01 78.4
1996-10-01 79.7
1997-01-01 79.8
1997-04-01 80.7
1997-07-01 80.4
1997-10-01 80
1998-01-01 80.4
1998-04-01 80.9
1998-07-01 79.5
1998-10-01 79.9
1999-01-01 79.2
1999-04-01 77
1999-07-01 80.8
1999-10-01 78.1
2000-01-01 81.8
2000-04-01 82
2000-07-01 81.8
2000-10-01 85.7
2001-01-01 82.3
2001-04-01 83.1
2001-07-01 81.1
2001-10-01 82.9
2002-01-01 81.3
2002-04-01 79.3
2002-07-01 79.6
2002-10-01 81.5
2003-01-01 80
2003-04-01 80.5
2003-07-01 80.8
2003-10-01 79.8
2004-01-01 81.3
2004-04-01 80.7
2004-07-01 82.4
2004-10-01 80.3
2005-01-01 80.4
2005-04-01 82.8
2005-07-01 84.1
2005-10-01 82.7
2006-01-01 84.5
2006-04-01 84.4
2006-07-01 84.7
2006-10-01 86.4
2007-01-01 84.9
2007-04-01 83.6
2007-07-01 87.2
2007-10-01 84.8
2008-01-01 83.9
2008-04-01 86.1
2008-07-01 84.7
2008-10-01 84.2
2009-01-01 74.7
2009-04-01 69.1
2009-07-01 71.4
2009-10-01 73.4
2010-01-01 76.5
2010-04-01 78.4
2010-07-01 77.1
2010-10-01 76.8
2011-01-01 79.3
2011-04-01 83.7
2011-07-01 77.1
2011-10-01 75.2
2012-01-01 76.2
2012-04-01 78.1
2012-07-01 76.5
2012-10-01 75.9
2013-01-01 76.8
2013-04-01 75.5
2013-07-01 78
2013-10-01 77.6
2014-01-01 80.5
2014-04-01 79
2014-07-01 79.5
2014-10-01 82.3
2015-01-01 82.7
2015-04-01 81.7
2015-07-01 81.1
2015-10-01 81.7
2016-01-01 81.8
2016-04-01 81.6
2016-07-01 82.1
2016-10-01 81.2
2017-01-01 80.3
2017-04-01 83.0
2017-07-01 83.5
2017-10-01 83.3
2018-01-01 84.9
2018-04-01 84.4
2018-07-01 85.8
2018-10-01 86.6