| Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | Q1 | Q2 | Q3 | Q4 | Annual | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capacity (percent of 2002 output) |
|||||||||||||||||
| 1978 | 60.8 | 61.0 | 61.1 | 61.3 | 61.5 | 61.7 | 61.9 | 62.0 | 62.2 | 62.4 | 62.6 | 62.7 | 61.0 | 61.5 | 62.0 | 62.6 | 61.8 |
| 1979 | 62.9 | 63.1 | 63.3 | 63.4 | 63.6 | 63.8 | 63.9 | 64.1 | 64.2 | 64.4 | 64.6 | 64.7 | 63.1 | 63.6 | 64.1 | 64.6 | 63.8 |
| 1980 | 64.9 | 65.0 | 65.2 | 65.4 | 65.5 | 65.7 | 65.9 | 66.1 | 66.3 | 66.5 | 66.6 | 66.8 | 65.0 | 65.5 | 66.1 | 66.6 | 65.8 |
| 1981 | 67.0 | 67.2 | 67.4 | 67.6 | 67.8 | 68.0 | 68.1 | 68.3 | 68.5 | 68.6 | 68.8 | 68.9 | 67.2 | 67.8 | 68.3 | 68.8 | 68.0 |
| 1982 | 69.1 | 69.2 | 69.4 | 69.5 | 69.7 | 69.8 | 69.9 | 70.0 | 70.1 | 70.2 | 70.3 | 70.4 | 69.2 | 69.7 | 70.0 | 70.3 | 69.8 |
| 1983 | 70.4 | 70.5 | 70.5 | 70.5 | 70.5 | 70.6 | 70.6 | 70.6 | 70.7 | 70.7 | 70.8 | 70.8 | 70.5 | 70.5 | 70.6 | 70.8 | 70.6 |
| 1984 | 70.9 | 71.0 | 71.1 | 71.2 | 71.4 | 71.5 | 71.7 | 71.9 | 72.1 | 72.3 | 72.5 | 72.7 | 71.0 | 71.4 | 71.9 | 72.5 | 71.7 |
| 1985 | 72.9 | 73.1 | 73.3 | 73.5 | 73.7 | 73.9 | 74.1 | 74.3 | 74.5 | 74.6 | 74.7 | 74.9 | 73.1 | 73.7 | 74.3 | 74.7 | 74.0 |
| 1986 | 75.0 | 75.1 | 75.1 | 75.2 | 75.3 | 75.4 | 75.5 | 75.6 | 75.7 | 75.8 | 75.9 | 76.1 | 75.0 | 75.3 | 75.6 | 75.9 | 75.5 |
| 1987 | 76.2 | 76.4 | 76.6 | 76.8 | 77.0 | 77.2 | 77.4 | 77.5 | 77.7 | 77.8 | 78.0 | 78.1 | 76.4 | 77.0 | 77.5 | 78.0 | 77.2 |
| 1988 | 78.2 | 78.2 | 78.3 | 78.4 | 78.4 | 78.5 | 78.5 | 78.6 | 78.6 | 78.7 | 78.8 | 78.9 | 78.2 | 78.4 | 78.6 | 78.8 | 78.5 |
| 1989 | 79.0 | 79.2 | 79.3 | 79.5 | 79.6 | 79.8 | 80.0 | 80.2 | 80.4 | 80.6 | 80.7 | 80.9 | 79.2 | 79.6 | 80.2 | 80.7 | 79.9 |
| 1990 | 81.1 | 81.3 | 81.5 | 81.7 | 81.8 | 82.0 | 82.2 | 82.3 | 82.5 | 82.7 | 82.8 | 83.0 | 81.3 | 81.8 | 82.3 | 82.8 | 82.1 |
| 1991 | 83.1 | 83.3 | 83.4 | 83.5 | 83.6 | 83.8 | 83.9 | 84.0 | 84.1 | 84.2 | 84.3 | 84.5 | 83.3 | 83.6 | 84.0 | 84.3 | 83.8 |
| 1992 | 84.6 | 84.8 | 84.9 | 85.1 | 85.3 | 85.5 | 85.7 | 85.9 | 86.1 | 86.3 | 86.5 | 86.7 | 84.8 | 85.3 | 85.9 | 86.5 | 85.6 |
| 1993 | 86.9 | 87.0 | 87.1 | 87.3 | 87.4 | 87.5 | 87.6 | 87.8 | 87.9 | 88.0 | 88.2 | 88.4 | 87.0 | 87.4 | 87.8 | 88.2 | 87.6 |
| 1994 | 88.6 | 88.8 | 89.0 | 89.3 | 89.5 | 89.8 | 90.1 | 90.5 | 90.8 | 91.1 | 91.5 | 91.8 | 88.8 | 89.6 | 90.5 | 91.5 | 90.1 |
| 1995 | 92.2 | 92.5 | 92.9 | 93.3 | 93.7 | 94.1 | 94.5 | 94.9 | 95.3 | 95.8 | 96.2 | 96.7 | 92.5 | 93.7 | 94.9 | 96.2 | 94.3 |
| 1996 | 97.2 | 97.7 | 98.2 | 98.8 | 99.3 | 99.9 | 100.4 | 100.9 | 101.5 | 102.0 | 102.6 | 103.1 | 97.7 | 99.3 | 100.9 | 102.6 | 100.1 |
| 1997 | 103.7 | 104.3 | 104.9 | 105.6 | 106.2 | 106.9 | 107.6 | 108.3 | 109.1 | 109.8 | 110.6 | 111.4 | 104.3 | 106.2 | 108.3 | 110.6 | 107.4 |
| 1998 | 112.3 | 113.1 | 113.9 | 114.7 | 115.5 | 116.2 | 116.9 | 117.6 | 118.3 | 118.9 | 119.5 | 120.1 | 113.1 | 115.4 | 117.6 | 119.5 | 116.4 |
| 1999 | 120.7 | 121.3 | 121.8 | 122.4 | 122.9 | 123.5 | 124.0 | 124.5 | 125.1 | 125.6 | 126.2 | 126.8 | 121.3 | 122.9 | 124.5 | 126.2 | 123.7 |
| 2000 | 127.3 | 127.9 | 128.4 | 129.0 | 129.5 | 130.1 | 130.6 | 131.1 | 131.6 | 132.1 | 132.6 | 133.0 | 127.9 | 129.5 | 131.1 | 132.6 | 130.3 |
| 2001 | 133.5 | 133.9 | 134.3 | 134.7 | 135.1 | 135.4 | 135.7 | 136.0 | 136.3 | 136.5 | 136.7 | 136.9 | 133.9 | 135.1 | 136.0 | 136.7 | 135.4 |
| 2002 | 137.1 | 137.2 | 137.3 | 137.4 | 137.4 | 137.5 | 137.5 | 137.5 | 137.5 | 137.5 | 137.4 | 137.4 | 137.2 | 137.4 | 137.5 | 137.4 | 137.4 |
| 2003 | 137.3 | 137.2 | 137.1 | 137.1 | 137.0 | 136.9 | 136.8 | 136.8 | 136.7 | 136.6 | 136.6 | 136.6 | 137.2 | 137.0 | 136.8 | 136.6 | 136.9 |
| 2004 | 136.5 | 136.5 | 136.5 | 136.5 | 136.5 | 136.5 | 136.6 | 136.6 | 136.7 | 136.7 | 136.8 | 136.9 | 136.5 | 136.5 | 136.6 | 136.8 | 136.6 |
| 2005 | 137.0 | 137.2 | 137.3 | 137.5 | 137.6 | 137.8 | 138.0 | 138.2 | 138.4 | 138.6 | 138.8 | 138.9 | 137.2 | 137.6 | 138.2 | 138.8 | 137.9 |
| 2006 | 139.1 | 139.3 | 139.4 | 139.6 | 139.7 | 139.9 | 140.0 | 140.2 | 140.3 | 140.5 | 140.7 | 140.8 | 139.3 | 139.7 | 140.2 | 140.7 | 140.0 |
| 2007 | 141.0 | 141.2 | 141.4 | 141.7 | 141.9 | 142.1 | 142.4 | 142.7 | 142.9 | 143.2 | 143.4 | 143.7 | 141.2 | 141.9 | 142.7 | 143.4 | 142.3 |
| 2008 | 143.9 | 144.1 | |||||||||||||||
| Utilization (percent) |
|||||||||||||||||
| 1978 | 82.1 | 82.1 | 83.2 | 84.3 | 84.3 | 84.8 | 84.5 | 84.6 | 84.8 | 85.2 | 85.7 | 86.2 | 82.5 | 84.5 | 84.6 | 85.7 | 84.3 |
| 1979 | 85.2 | 85.4 | 85.5 | 84.0 | 84.8 | 84.7 | 84.6 | 83.2 | 83.2 | 83.3 | 82.9 | 83.0 | 85.4 | 84.5 | 83.7 | 83.1 | 84.2 |
| 1980 | 83.1 | 82.9 | 82.0 | 80.1 | 77.5 | 76.1 | 75.2 | 75.5 | 76.5 | 77.7 | 78.9 | 78.9 | 82.7 | 77.9 | 75.7 | 78.5 | 78.7 |
| 1981 | 78.4 | 77.7 | 77.8 | 77.9 | 78.2 | 77.6 | 77.6 | 77.5 | 76.9 | 76.0 | 74.9 | 73.5 | 77.9 | 77.9 | 77.3 | 74.8 | 77.0 |
| 1982 | 71.6 | 73.3 | 72.6 | 72.0 | 71.7 | 71.4 | 71.2 | 70.5 | 70.2 | 69.3 | 68.8 | 68.5 | 72.5 | 71.7 | 70.7 | 68.9 | 70.9 |
| 1983 | 70.1 | 70.0 | 70.6 | 71.4 | 72.3 | 72.9 | 73.9 | 74.5 | 75.8 | 76.6 | 76.8 | 77.0 | 70.2 | 72.2 | 74.7 | 76.8 | 73.5 |
| 1984 | 78.3 | 79.0 | 79.3 | 79.5 | 79.6 | 79.8 | 79.9 | 79.9 | 79.5 | 79.6 | 79.6 | 79.7 | 78.9 | 79.6 | 79.8 | 79.6 | 79.5 |
| 1985 | 79.1 | 78.7 | 79.0 | 78.5 | 78.4 | 78.3 | 77.7 | 78.0 | 77.9 | 77.5 | 77.9 | 78.1 | 78.9 | 78.4 | 77.9 | 77.8 | 78.3 |
| 1986 | 78.8 | 78.2 | 77.9 | 78.2 | 78.2 | 77.9 | 78.2 | 78.3 | 78.4 | 78.5 | 78.8 | 79.3 | 78.3 | 78.1 | 78.3 | 78.9 | 78.4 |
| 1987 | 78.9 | 79.9 | 79.7 | 80.0 | 80.4 | 80.5 | 80.8 | 81.1 | 81.4 | 82.5 | 82.9 | 83.3 | 79.5 | 80.3 | 81.1 | 82.9 | 80.9 |
| 1988 | 83.0 | 83.1 | 83.3 | 83.9 | 83.8 | 83.8 | 83.9 | 83.9 | 84.1 | 84.5 | 84.7 | 84.9 | 83.1 | 83.8 | 84.0 | 84.7 | 83.9 |
| 1989 | 85.4 | 84.5 | 84.2 | 84.1 | 83.2 | 83.2 | 82.1 | 82.6 | 82.2 | 81.9 | 81.9 | 81.8 | 84.7 | 83.5 | 82.3 | 81.9 | 83.1 |
| 1990 | 81.6 | 82.5 | 82.6 | 82.3 | 82.2 | 82.2 | 81.9 | 81.9 | 81.8 | 81.0 | 79.9 | 79.2 | 82.2 | 82.2 | 81.9 | 80.0 | 81.6 |
| 1991 | 78.4 | 77.8 | 77.1 | 77.3 | 77.7 | 78.5 | 78.5 | 78.6 | 79.3 | 79.1 | 78.7 | 78.6 | 77.8 | 77.8 | 78.8 | 78.8 | 78.3 |
| 1992 | 78.0 | 78.5 | 79.1 | 79.4 | 79.7 | 79.8 | 80.2 | 79.7 | 79.5 | 79.8 | 79.9 | 79.6 | 78.5 | 79.6 | 79.8 | 79.8 | 79.4 |
| 1993 | 80.3 | 80.3 | 80.0 | 80.4 | 80.2 | 80.0 | 80.1 | 79.9 | 80.3 | 80.8 | 81.0 | 81.2 | 80.2 | 80.2 | 80.1 | 81.0 | 80.4 |
| 1994 | 81.2 | 81.1 | 82.0 | 82.4 | 82.7 | 82.7 | 82.8 | 83.1 | 83.1 | 83.6 | 83.9 | 84.6 | 81.4 | 82.6 | 83.0 | 84.0 | 82.8 |
| 1995 | 84.5 | 84.1 | 83.9 | 83.5 | 83.2 | 83.1 | 82.3 | 82.9 | 83.2 | 82.7 | 82.4 | 82.4 | 84.2 | 83.3 | 82.8 | 82.5 | 83.2 |
| 1996 | 81.4 | 82.3 | 81.6 | 82.0 | 82.0 | 82.5 | 82.3 | 82.3 | 82.4 | 81.9 | 82.2 | 82.4 | 81.8 | 82.2 | 82.3 | 82.2 | 82.1 |
| 1997 | 82.0 | 82.7 | 83.2 | 82.5 | 82.7 | 82.8 | 82.6 | 83.4 | 83.6 | 83.5 | 83.9 | 83.7 | 82.7 | 82.7 | 83.2 | 83.7 | 83.1 |
| 1998 | 83.7 | 83.1 | 82.4 | 82.3 | 82.2 | 81.1 | 80.2 | 81.7 | 81.0 | 81.3 | 81.0 | 81.1 | 83.1 | 81.9 | 81.0 | 81.1 | 81.8 |
| 1999 | 80.9 | 81.1 | 80.7 | 80.6 | 81.0 | 80.4 | 80.4 | 80.6 | 80.0 | 80.9 | 81.1 | 81.3 | 80.9 | 80.7 | 80.3 | 81.1 | 80.7 |
| 2000 | 81.1 | 81.0 | 81.2 | 81.3 | 80.9 | 80.8 | 80.4 | 79.7 | 79.7 | 79.1 | 78.5 | 77.8 | 81.1 | 81.0 | 79.9 | 78.5 | 80.1 |
| 2001 | 77.0 | 76.4 | 75.9 | 75.5 | 74.7 | 74.0 | 73.6 | 72.9 | 72.5 | 71.9 | 71.5 | 71.6 | 76.4 | 74.7 | 73.0 | 71.7 | 73.9 |
| 2002 | 71.8 | 71.8 | 72.2 | 72.2 | 72.7 | 73.5 | 73.1 | 73.4 | 73.4 | 73.1 | 73.4 | 73.0 | 71.9 | 72.8 | 73.3 | 73.2 | 72.8 |
| 2003 | 73.4 | 73.6 | 73.8 | 73.2 | 73.3 | 73.8 | 73.9 | 73.8 | 74.3 | 74.4 | 75.1 | 75.0 | 73.6 | 73.4 | 74.0 | 74.8 | 74.0 |
| 2004 | 75.0 | 75.5 | 75.4 | 75.8 | 76.3 | 75.7 | 76.3 | 76.8 | 76.6 | 77.3 | 77.4 | 77.7 | 75.3 | 75.9 | 76.6 | 77.5 | 76.3 |
| 2005 | 78.1 | 78.6 | 78.3 | 78.3 | 78.6 | 78.7 | 78.6 | 78.7 | 77.8 | 78.9 | 79.4 | 79.3 | 78.4 | 78.5 | 78.4 | 79.2 | 78.6 |
| 2006 | 79.7 | 79.3 | 79.2 | 79.6 | 79.3 | 79.5 | 79.5 | 79.7 | 79.4 | 78.9 | 78.7 | 79.4 | 79.4 | 79.4 | 79.5 | 79.0 | 79.4 |
| 2007 | 78.8 | 78.8 | 79.2 | 79.4 | 79.4 | 79.6 | 80.1 | 79.6 | 79.8 | 79.2 | 79.3 | 79.2 | 78.9 | 79.5 | 79.8 | 79.2 | 79.4 |
| 2008 | 79.1 | 78.7 | |||||||||||||||
Note: Estimates from October 2007 through February 2008 are subject to further revision in the upcoming monthly releases.
[1] See footnote 2 to table 3. Return to table