Quarterly Percent of Capacity, Seasonally Adjusted
1987-01-01 81
1987-04-01 80.6
1987-07-01 81.2
1987-10-01 81
1988-01-01 80.1
1988-04-01 79.5
1988-07-01 80.1
1988-10-01 80
1989-01-01 80.1
1989-04-01 81.6
1989-07-01 81.3
1989-10-01 82
1990-01-01 83.7
1990-04-01 82.5
1990-07-01 81.4
1990-10-01 81.1
1991-01-01 80.9
1991-04-01 81.7
1991-07-01 80.5
1991-10-01 80.4
1992-01-01 79.1
1992-04-01 79.9
1992-07-01 79.9
1992-10-01 79.4
1993-01-01 77.7
1993-04-01 76.3
1993-07-01 78
1993-10-01 78.5
1994-01-01 80.1
1994-04-01 81.2
1994-07-01 82.5
1994-10-01 83.1
1995-01-01 84
1995-04-01 83.8
1995-07-01 83
1995-10-01 82.4
1996-01-01 82.2
1996-04-01 81.2
1996-07-01 81
1996-10-01 82
1997-01-01 82.2
1997-04-01 82.5
1997-07-01 83.8
1997-10-01 84.4
1998-01-01 85.3
1998-04-01 84.7
1998-07-01 86.1
1998-10-01 85.5
1999-01-01 83
1999-04-01 82.9
1999-07-01 81.2
1999-10-01 81.2
2000-01-01 81.2
2000-04-01 82.6
2000-07-01 82.4
2000-10-01 83.2
2001-01-01 84
2001-04-01 82.9
2001-07-01 82
2001-10-01 81.9
2002-01-01 80.9
2002-04-01 81.4
2002-07-01 80.8
2002-10-01 81.3
2003-01-01 81.3
2003-04-01 80.5
2003-07-01 80.4
2003-10-01 79.8
2004-01-01 81.5
2004-04-01 81.8
2004-07-01 82.9
2004-10-01 82.7
2005-01-01 81.8
2005-04-01 83.3
2005-07-01 84.3
2005-10-01 84
2006-01-01 84.6
2006-04-01 85.5
2006-07-01 84.3
2006-10-01 87.5
2007-01-01 87.3
2007-04-01 88.8
2007-07-01 88.9
2007-10-01 87.1
2008-01-01 87.1
2008-04-01 84.5
2008-07-01 83.3
2008-10-01 81.6
2009-01-01 79.2
2009-04-01 75.4
2009-07-01 72.8
2009-10-01 70.9
2010-01-01 72.3
2010-04-01 74.6
2010-07-01 77.4
2010-10-01 78.3
2011-01-01 77
2011-04-01 78.3
2011-07-01 80.4
2011-10-01 78
2012-01-01 79.1
2012-04-01 79.7
2012-07-01 78
2012-10-01 79
2013-01-01 77.9
2013-04-01 77.3
2013-07-01 76.7
2013-10-01 79.5
2014-01-01 80.5
2014-04-01 79.2
2014-07-01 78.3
2014-10-01 80.7
2015-01-01 80.3
2015-04-01 81.2
2015-07-01 80.6
2015-10-01 80.6
2016-01-01 79.6
2016-04-01 80.1
2016-07-01 81.3
2016-10-01 78.5
2017-01-01 79.3
2017-04-01 80.1
2017-07-01 80.5
2017-10-01 79.0
2018-01-01 81.1
2018-04-01 81.1
2018-07-01 80.7
2018-10-01 80.8