Quarterly Percent of Capacity, Seasonally Adjusted
1967-04-01 86.56628
1967-07-01 86.83484
1967-10-01 84.75410
1968-01-01 84.76821
1968-04-01 87.69676
1968-07-01 83.73222
1968-10-01 86.91589
1969-01-01 86.49454
1969-04-01 85.94581
1969-07-01 88.60643
1969-10-01 89.13041
1970-01-01 87.03882
1970-04-01 89.33868
1970-07-01 89.50665
1970-10-01 88.21909
1971-01-01 88.78409
1971-04-01 84.81444
1971-07-01 90.50558
1971-10-01 82.24801
1972-01-01 87.10131
1972-04-01 85.70050
1972-07-01 87.86958
1972-10-01 86.06523
1973-01-01 85.83407
1973-04-01 81.86258
1973-07-01 79.29855
1973-10-01 85.88489
1974-01-01 85.27028
1974-04-01 89.51791
1974-07-01 88.59005
1974-10-01 85.11102
1975-01-01 81.93166
1975-04-01 81.26368
1975-07-01 76.30701
1975-10-01 74.98228
1976-01-01 75.30891
1976-04-01 76.11935
1976-07-01 79.71613
1976-10-01 78.62351
1977-01-01 78.47166
1977-04-01 78.16785
1977-07-01 79.15334
1977-10-01 80.55763
1978-01-01 80.86082
1978-04-01 80.10229
1978-07-01 80.17829
1978-10-01 78.77354
1979-01-01 79.26872
1979-04-01 81.51967
1979-07-01 81.45094
1979-10-01 82.98925
1980-01-01 84.38970
1980-04-01 86.64001
1980-07-01 87.23676
1980-10-01 86.95185
1981-01-01 86.73244
1981-04-01 85.16721
1981-07-01 84.67829
1981-10-01 85.12273
1982-01-01 83.70981
1982-04-01 81.28593
1982-07-01 79.81997
1982-10-01 78.75149
1983-01-01 78.84618
1983-04-01 79.49383
1983-07-01 80.21750
1983-10-01 79.69892
1984-01-01 81.12020
1984-04-01 82.27491
1984-07-01 82.30373
1984-10-01 83.85693
1985-01-01 83.81130
1985-04-01 84.31847
1985-07-01 85.02253
1985-10-01 85.71273
1986-01-01 86.27724
1986-04-01 86.76772
1986-07-01 86.86064
1986-10-01 86.49083
1987-01-01 85.98369
1987-04-01 85.53377
1987-07-01 85.92053
1987-10-01 86.68198
1988-01-01 85.73653
1988-04-01 86.92984
1988-07-01 87.38768
1988-10-01 88.18081
1989-01-01 88.55291
1989-04-01 89.45323
1989-07-01 89.17249
1989-10-01 88.72762
1990-01-01 89.49461
1990-04-01 89.69661
1990-07-01 89.64022
1990-10-01 88.76128
1991-01-01 88.25127
1991-04-01 85.06535
1991-07-01 83.26802
1991-10-01 83.18748
1992-01-01 82.54115
1992-04-01 82.03203
1992-07-01 81.76877
1992-10-01 80.93042
1993-01-01 79.74776
1993-04-01 79.48401
1993-07-01 79.54508
1993-10-01 80.29935
1994-01-01 81.37199
1994-04-01 82.49537
1994-07-01 83.72829
1994-10-01 84.00974
1995-01-01 84.45309
1995-04-01 85.12638
1995-07-01 85.50240
1995-10-01 85.22975
1996-01-01 84.81294
1996-04-01 83.96934
1996-07-01 83.09783
1996-10-01 82.82812
1997-01-01 82.96418
1997-04-01 83.53928
1997-07-01 83.77222
1997-10-01 84.52291
1998-01-01 85.34472
1998-04-01 85.27424
1998-07-01 86.06490
1998-10-01 85.20446
1999-01-01 84.75251
1999-04-01 81.60520
1999-07-01 81.51567
1999-10-01 81.61433
2000-01-01 81.69083
2000-04-01 82.08629
2000-07-01 82.97317
2000-10-01 83.35120
2001-01-01 84.02374
2001-04-01 83.95470
2001-07-01 82.32222
2001-10-01 81.82148
2002-01-01 80.33031
2002-04-01 80.00666
2002-07-01 80.61110
2002-10-01 80.48468
2003-01-01 80.50008
2003-04-01 80.79884
2003-07-01 80.79751
2003-10-01 79.93467
2004-01-01 82.45947
2004-04-01 83.69040
2004-07-01 84.31403
2004-10-01 84.77304
2005-01-01 84.39279
2005-04-01 83.71503
2005-07-01 84.03716
2005-10-01 84.47602
2006-01-01 85.22504
2006-04-01 86.36347
2006-07-01 85.66515
2006-10-01 87.54766
2007-01-01 87.78976
2007-04-01 88.71535
2007-07-01 88.16927
2007-10-01 87.49980
2008-01-01 87.91691
2008-04-01 87.42595
2008-07-01 86.93994
2008-10-01 85.31652
2009-01-01 82.14342
2009-04-01 77.79721
2009-07-01 76.31863
2009-10-01 76.74010
2010-01-01 77.48200
2010-04-01 80.53584
2010-07-01 82.61274
2010-10-01 83.88773
2011-01-01 84.30965
2011-04-01 84.95017
2011-07-01 84.83584
2011-10-01 83.22095
2012-01-01 83.12470
2012-04-01 81.98007
2012-07-01 80.76789
2012-10-01 80.25054
2013-01-01 80.00670
2013-04-01 81.34911
2013-07-01 80.51891
2013-10-01 81.12021
2014-01-01 81.69645
2014-04-01 81.95107
2014-07-01 82.28265
2014-10-01 82.14285
2015-01-01 82.20852
2015-04-01 80.96381
2015-07-01 81.33382
2015-10-01 81.25835
2016-01-01 80.93107
2016-04-01 81.28321
2016-07-01 81.06115
2016-10-01 80.89807
2017-01-01 79.95213
2017-04-01 81.59033
2017-07-01 81.87933
2017-10-01 82.95805
2018-01-01 83.68024
2018-04-01 83.87494
2018-07-01 84.29793
2018-10-01 84.63537