Quarterly Percent of Capacity, Seasonally Adjusted
1985-01-01 62
1985-04-01 60.6
1985-07-01 70.1
1985-10-01 67.5
1986-01-01 70.5
1986-04-01 72.7
1986-07-01 74.6
1986-10-01 66.8
1987-01-01 67.7
1987-04-01 74.8
1987-07-01 69.6
1987-10-01 73.9
1988-01-01 75
1988-04-01 73.3
1988-07-01 71.3
1988-10-01 76.5
1989-01-01 74
1989-04-01 73.4
1989-07-01 73.3
1989-10-01 76.4
1990-01-01 78.7
1990-04-01 75.5
1990-07-01 75.2
1990-10-01 77.4
1991-01-01 76.2
1991-04-01 74.2
1991-07-01 74.3
1991-10-01 77.2
1992-01-01 77.4
1992-04-01 78.5
1992-07-01 75.8
1992-10-01 76.7
1993-01-01 71.6
1993-04-01 74.9
1993-07-01 73.5
1993-10-01 74.4
1994-01-01 76.6
1994-04-01 74.7
1994-07-01 74.7
1994-10-01 73.5
1995-01-01 78.3
1995-04-01 80.1
1995-07-01 79.8
1995-10-01 81.5
1996-01-01 83.3
1996-04-01 74.8
1996-07-01 77.1
1996-10-01 75
1997-01-01 75.9
1997-04-01 79.9
1997-07-01 74
1997-10-01 73.9
1998-01-01 75.7
1998-04-01 76.8
1998-07-01 76.4
1998-10-01 77.6
1999-01-01 73.1
1999-04-01 73.2
1999-07-01 78.4
1999-10-01 78.8
2000-01-01 76.5
2000-04-01 77.7
2000-07-01 78.5
2000-10-01 81.5
2001-01-01 79.8
2001-04-01 80.4
2001-07-01 78
2001-10-01 75.2
2002-01-01 77.5
2002-04-01 76.3
2002-07-01 72.8
2002-10-01 76.9
2003-01-01 74.5
2003-04-01 75.1
2003-07-01 77.1
2003-10-01 73.6
2004-01-01 74.4
2004-04-01 77.7
2004-07-01 75.3
2004-10-01 75
2005-01-01 72.2
2005-04-01 69.7
2005-07-01 78.2
2005-10-01 76.8
2006-01-01 74
2006-04-01 76.1
2006-07-01 76.3
2006-10-01 76.5
2007-01-01 76.8
2007-04-01 77.1
2007-07-01 75.9
2007-10-01 76.4
2008-01-01 79.4
2008-04-01 75.3
