Quarter	Percent of Capacity, Seasonally Adjusted
1987-01-01	85.3930361118064
1987-04-01	85.0732438066456
1987-07-01	85.6095398488850
1987-10-01	83.8156608018018
1988-01-01	84.2038969227209
1988-04-01	83.2722045516350
1988-07-01	81.8142010503522
1988-10-01	82.1932077463519
1989-01-01	79.9310818801302
1989-04-01	81.7564289420529
1989-07-01	82.2536097708133
1989-10-01	81.9967477090999
1990-01-01	81.9300000000000
1990-04-01	81.4200000000000
1990-07-01	82.0300000000000
1990-10-01	82.0100000000000
1991-01-01	81.9700000000000
1991-04-01	81.5100000000000
1991-07-01	80.5400000000000
1991-10-01	80.3600000000000
1992-01-01	80.9900000000000
1992-04-01	81.1700000000000
1992-07-01	80.7300000000000
1992-10-01	80.8700000000000
1993-01-01	79.4900000000000
1993-04-01	79.8100000000000
1993-07-01	80.2900000000000
1993-10-01	80.0000000000000
1994-01-01	82.0900000000000
1994-04-01	82.2700000000000
1994-07-01	81.6000000000000
1994-10-01	83.1700000000000
1995-01-01	82.9200000000000
1995-04-01	81.9000000000000
1995-07-01	83.0800000000000
1995-10-01	82.2800000000000
1996-01-01	81.1200000000000
1996-04-01	81.6700000000000
1996-07-01	81.9700000000000
1996-10-01	82.1500000000000
1997-01-01	82.7100000000000
1997-04-01	82.8100000000000
1997-07-01	83.0800000000000
1997-10-01	82.8000000000000
1998-01-01	82.2800000000000
1998-04-01	83.2300000000000
1998-07-01	81.7200000000000
1998-10-01	80.8700000000000
1999-01-01	82.6800000000000
1999-04-01	78.6900000000000
1999-07-01	79.7600000000000
1999-10-01	80.3100000000000
2000-01-01	79.8500000000000
2000-04-01	79.4200000000000
2000-07-01	79.8900000000000
2000-10-01	80.3900000000000
2001-01-01	79.8700000000000
2001-04-01	79.8800000000000
2001-07-01	79.2800000000000
2001-10-01	78.5900000000000
2002-01-01	80.8200000000000
2002-04-01	79.2800000000000
2002-07-01	78.7700000000000
2002-10-01	77.8000000000000
2003-01-01	76.9600000000000
2003-04-01	76.5400000000000
2003-07-01	78.0900000000000
2003-10-01	78.0900000000000
2004-01-01	77.6400000000000
2004-04-01	78.8800000000000
2004-07-01	79.1000000000000
2004-10-01	79.7300000000000
2005-01-01	81.0600000000000
2005-04-01	81.1500000000000
2005-07-01	81.1500000000000
2005-10-01	82.1900000000000
2006-01-01	82.6600000000000
2006-04-01	82.9100000000000
2006-07-01	83.3000000000000
2006-10-01	84.3400000000000
2007-01-01	85.1700000000000
2007-04-01	84.8500000000000
2007-07-01	84.2100000000000
2007-10-01	84.2700000000000
2008-01-01	83.4400000000000
2008-04-01	83.1900000000000
2008-07-01	82.0800000000000
2008-10-01	78.8000000000000
2009-01-01	76.9300000000000
2009-04-01	75.9400000000000
2009-07-01	76.7100000000000
2009-10-01	77.0500000000000
2010-01-01	77.1100000000000
2010-04-01	77.6600000000000
2010-07-01	78.7500000000000
2010-10-01	78.9200000000000
2011-01-01	79.7500000000000
2011-04-01	80.4900000000000
2011-07-01	79.5800000000000
2011-10-01	79.6100000000000
2012-01-01	80.0000000000000
2012-04-01	79.5300000000000
2012-07-01	79.7400000000000
2012-10-01	79.8600000000000
2013-01-01	79.7100000000000
2013-04-01	79.5400000000000
2013-07-01	79.3600000000000
2013-10-01	79.9100000000000
2014-01-01	80.4200000000000
2014-04-01	80.7800000000000
2014-07-01	79.0400000000000
2014-10-01	79.4100000000000
2015-01-01	78.5800000000000
2015-04-01	77.8000000000000
2015-07-01	76.7100000000000
2015-10-01	76.5400000000000
2016-01-01	77.2600000000000
2016-04-01	77.3400000000000
2016-07-01	77.4100000000000
2016-10-01	76.6600000000000
2017-01-01	77.1700000000000
2017-04-01	77.8400000000000
2017-07-01	77.7000000000000
2017-10-01	78.0500000000000
2018-01-01	78.0200000000000
2018-04-01	79.0400000000000
2018-07-01	79.0700000000000