| Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | Q1 | Q2 | Q3 | Q4 | Annual | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capacity (percent of 2002 output) |
|||||||||||||||||
| 1976 | 55.7 | 55.8 | 55.9 | 56.0 | 56.2 | 56.3 | 56.4 | 56.6 | 56.7 | 56.8 | 57.0 | 57.1 | 55.8 | 56.2 | 56.6 | 57.0 | 56.4 |
| 1977 | 57.3 | 57.4 | 57.6 | 57.7 | 57.9 | 58.1 | 58.2 | 58.4 | 58.6 | 58.7 | 58.9 | 59.1 | 57.4 | 57.9 | 58.4 | 58.9 | 58.2 |
| 1978 | 59.3 | 59.5 | 59.6 | 59.8 | 60.0 | 60.2 | 60.4 | 60.5 | 60.7 | 60.9 | 61.1 | 61.2 | 59.5 | 60.0 | 60.5 | 61.1 | 60.3 |
| 1979 | 61.4 | 61.6 | 61.8 | 61.9 | 62.1 | 62.3 | 62.4 | 62.6 | 62.7 | 62.9 | 63.1 | 63.2 | 61.6 | 62.1 | 62.6 | 63.1 | 62.3 |
| 1980 | 63.4 | 63.5 | 63.7 | 63.8 | 64.0 | 64.2 | 64.4 | 64.5 | 64.7 | 64.9 | 65.1 | 65.3 | 63.5 | 64.0 | 64.5 | 65.1 | 64.3 |
| 1981 | 65.5 | 65.7 | 65.9 | 66.0 | 66.2 | 66.4 | 66.6 | 66.7 | 66.9 | 67.1 | 67.2 | 67.4 | 65.7 | 66.2 | 66.7 | 67.2 | 66.5 |
| 1982 | 67.6 | 67.7 | 67.9 | 68.0 | 68.1 | 68.3 | 68.4 | 68.5 | 68.6 | 68.7 | 68.8 | 68.8 | 67.7 | 68.1 | 68.5 | 68.7 | 68.3 |
| 1983 | 68.9 | 68.9 | 69.0 | 69.0 | 69.0 | 69.1 | 69.1 | 69.2 | 69.2 | 69.3 | 69.3 | 69.4 | 68.9 | 69.0 | 69.2 | 69.3 | 69.1 |
| 1984 | 69.5 | 69.6 | 69.8 | 69.9 | 70.0 | 70.2 | 70.4 | 70.6 | 70.8 | 71.0 | 71.2 | 71.4 | 69.6 | 70.0 | 70.6 | 71.2 | 70.4 |
| 1985 | 71.6 | 71.9 | 72.1 | 72.3 | 72.5 | 72.7 | 72.9 | 73.1 | 73.2 | 73.4 | 73.5 | 73.6 | 71.9 | 72.5 | 73.1 | 73.5 | 72.7 |
| 1986 | 73.7 | 73.8 | 73.9 | 74.0 | 74.1 | 74.2 | 74.3 | 74.4 | 74.5 | 74.6 | 74.8 | 74.9 | 73.8 | 74.1 | 74.4 | 74.8 | 74.3 |
| 1987 | 75.1 | 75.3 | 75.4 | 75.6 | 75.8 | 76.0 | 76.2 | 76.3 | 76.5 | 76.6 | 76.7 | 76.8 | 75.3 | 75.8 | 76.3 | 76.7 | 76.0 |
| 1988 | 76.9 | 77.0 | 77.1 | 77.1 | 77.1 | 77.2 | 77.2 | 77.3 | 77.4 | 77.4 | 77.5 | 77.6 | 77.0 | 77.1 | 77.3 | 77.5 | 77.2 |
| 1989 | 77.8 | 77.9 | 78.0 | 78.2 | 78.4 | 78.5 | 78.7 | 78.9 | 79.1 | 79.3 | 79.4 | 79.6 | 77.9 | 78.4 | 78.9 | 79.4 | 78.6 |
| 1990 | 79.8 | 80.0 | 80.2 | 80.3 | 80.5 | 80.7 | 80.8 | 81.0 | 81.2 | 81.3 | 81.5 | 81.6 | 80.0 | 80.5 | 81.0 | 81.5 | 80.7 |
| 1991 | 81.8 | 81.9 | 82.1 | 82.2 | 82.3 | 82.5 | 82.6 | 82.7 | 82.9 | 83.0 | 83.1 | 83.3 | 81.9 | 82.3 | 82.7 | 83.1 | 82.5 |
| 1992 | 83.4 | 83.6 | 83.8 | 83.9 | 84.1 | 84.3 | 84.5 | 84.7 | 84.9 | 85.1 | 85.3 | 85.5 | 83.6 | 84.1 | 84.7 | 85.3 | 84.4 |
| 1993 | 85.6 | 85.8 | 85.9 | 86.1 | 86.2 | 86.4 | 86.5 | 86.7 | 86.8 | 87.0 | 87.2 | 87.4 | 85.8 | 86.2 | 86.7 | 87.2 | 86.5 |
| 1994 | 87.6 | 87.8 | 88.0 | 88.3 | 88.5 | 88.8 | 89.1 | 89.4 | 89.8 | 90.1 | 90.5 | 90.9 | 87.8 | 88.5 | 89.4 | 90.5 | 89.1 |
| 1995 | 91.2 | 91.6 | 92.1 | 92.5 | 92.9 | 93.3 | 93.8 | 94.2 | 94.7 | 95.1 | 95.6 | 96.1 | 91.6 | 92.9 | 94.2 | 95.6 | 93.6 |
| 1996 | 96.6 | 97.1 | 97.6 | 98.1 | 98.6 | 99.1 | 99.6 | 100.1 | 100.6 | 101.2 | 101.7 | 102.2 | 97.1 | 98.6 | 100.1 | 101.7 | 99.4 |
| 1997 | 102.8 | 103.4 | 104.0 | 104.6 | 105.2 | 105.9 | 106.6 | 107.3 | 108.0 | 108.8 | 109.6 | 110.4 | 103.4 | 105.2 | 107.3 | 109.6 | 106.4 |
| 1998 | 111.3 | 112.1 | 112.9 | 113.7 | 114.5 | 115.3 | 116.0 | 116.7 | 117.4 | 118.1 | 118.7 | 119.3 | 112.1 | 114.5 | 116.7 | 118.7 | 115.5 |
| 1999 | 119.9 | 120.5 | 121.1 | 121.7 | 122.2 | 122.8 | 123.4 | 124.0 | 124.6 | 125.2 | 125.8 | 126.4 | 120.5 | 122.2 | 124.0 | 125.8 | 123.1 |
| 2000 | 127.1 | 127.7 | 128.3 | 128.9 | 129.5 | 130.1 | 130.7 | 131.2 | 131.7 | 132.2 | 132.7 | 133.2 | 127.7 | 129.5 | 131.2 | 132.7 | 130.3 |
| 2001 | 133.6 | 134.0 | 134.4 | 134.7 | 135.1 | 135.4 | 135.6 | 135.9 | 136.1 | 136.3 | 136.5 | 136.6 | 134.0 | 135.1 | 135.9 | 136.5 | 135.4 |
| 2002 | 136.8 | 136.9 | 137.0 | 137.1 | 137.1 | 137.2 | 137.2 | 137.2 | 137.1 | 137.1 | 137.0 | 136.9 | 136.9 | 137.1 | 137.2 | 137.0 | 137.1 |
| 2003 | 136.8 | 136.7 | 136.6 | 136.5 | 136.4 | 136.2 | 136.1 | 136.0 | 135.9 | 135.9 | 135.8 | 135.8 | 136.7 | 136.4 | 136.0 | 135.8 | 136.2 |
| 2004 | 135.7 | 135.7 | 135.7 | 135.7 | 135.7 | 135.7 | 135.7 | 135.7 | 135.8 | 135.8 | 135.9 | 136.0 | 135.7 | 135.7 | 135.7 | 135.9 | 135.7 |
| 2005 | 136.0 | 136.2 | 136.3 | 136.5 | 136.6 | 136.9 | 137.1 | 137.3 | 137.6 | 137.9 | 138.2 | 138.6 | 136.2 | 136.6 | 137.4 | 138.2 | 137.1 |
| 2006 | 138.9 | 139.2 | 139.5 | 139.9 | 140.2 | 140.5 | 140.8 | 141.1 | 141.3 | 141.6 | 139.2 | 140.2 | 141.1 | ||||
| Utilization (percent) |
|||||||||||||||||
| 1976 | 76.5 | 77.4 | 77.4 | 77.8 | 78.0 | 77.8 | 78.3 | 78.6 | 78.6 | 78.4 | 79.3 | 79.9 | 77.1 | 77.9 | 78.5 | 79.2 | 78.2 |
| 1977 | 79.4 | 80.6 | 81.6 | 82.3 | 82.7 | 83.1 | 82.9 | 83.2 | 83.1 | 83.1 | 82.9 | 83.6 | 80.6 | 82.7 | 83.1 | 83.2 | 82.4 |
| 1978 | 82.1 | 82.1 | 83.3 | 84.4 | 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 | 85.6 | 84.0 | 84.8 | 84.7 | 84.6 | 83.3 | 83.3 | 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 | 75.8 | 78.5 | 78.7 |
| 1981 | 78.4 | 77.7 | 77.8 | 77.9 | 78.2 | 77.6 | 77.6 | 77.5 | 77.0 | 76.0 | 75.0 | 73.6 | 78.0 | 77.9 | 77.4 | 74.8 | 77.0 |
| 1982 | 71.7 | 73.5 | 72.7 | 72.1 | 71.8 | 71.5 | 71.3 | 70.6 | 70.3 | 69.4 | 68.9 | 68.5 | 72.6 | 71.8 | 70.7 | 68.9 | 71.0 |
| 1983 | 70.1 | 69.9 | 70.6 | 71.4 | 72.3 | 72.8 | 73.9 | 74.4 | 75.8 | 76.6 | 76.8 | 76.9 | 70.2 | 72.2 | 74.7 | 76.8 | 73.5 |
| 1984 | 78.2 | 79.0 | 79.2 | 79.5 | 79.5 | 79.7 | 79.9 | 79.8 | 79.4 | 79.5 | 79.6 | 79.6 | 78.8 | 79.6 | 79.7 | 79.6 | 79.4 |
| 1985 | 79.1 | 78.6 | 79.0 | 78.5 | 78.4 | 78.3 | 77.7 | 78.0 | 77.9 | 77.6 | 77.9 | 78.2 | 78.9 | 78.4 | 77.9 | 77.9 | 78.3 |
| 1986 | 78.9 | 78.3 | 78.0 | 78.2 | 78.3 | 77.9 | 78.2 | 78.3 | 78.4 | 78.5 | 78.8 | 79.3 | 78.4 | 78.1 | 78.3 | 78.9 | 78.4 |
| 1987 | 78.9 | 79.9 | 79.7 | 79.9 | 80.4 | 80.5 | 80.9 | 81.1 | 81.4 | 82.5 | 82.9 | 83.2 | 79.5 | 80.3 | 81.1 | 82.9 | 80.9 |
| 1988 | 83.0 | 83.0 | 83.2 | 83.9 | 83.7 | 83.8 | 83.8 | 83.9 | 84.1 | 84.5 | 84.7 | 84.9 | 83.1 | 83.8 | 83.9 | 84.7 | 83.9 |
| 1989 | 85.4 | 84.4 | 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 | 81.5 | 82.5 | 82.6 | 82.2 | 82.2 | 82.2 | 81.9 | 81.9 | 81.8 | 81.0 | 79.9 | 79.2 | 82.2 | 82.2 | 81.8 | 80.0 | 81.6 |
| 1991 | 78.4 | 77.7 | 77.1 | 77.2 | 77.7 | 78.4 | 78.5 | 78.6 | 79.3 | 79.0 | 78.7 | 78.5 | 77.7 | 77.8 | 78.8 | 78.8 | 78.3 |
| 1992 | 78.0 | 78.5 | 79.0 | 79.3 | 79.6 | 79.7 | 80.2 | 79.7 | 79.5 | 79.8 | 79.9 | 79.6 | 78.5 | 79.5 | 79.8 | 79.8 | 79.4 |
| 1993 | 80.3 | 80.3 | 80.0 | 80.3 | 80.1 | 79.9 | 80.1 | 79.9 | 80.2 | 80.8 | 80.9 | 81.3 | 80.2 | 80.1 | 80.0 | 81.0 | 80.3 |
| 1994 | 81.3 | 81.2 | 82.1 | 82.5 | 82.7 | 82.7 | 82.8 | 83.1 | 83.1 | 83.6 | 83.9 | 84.6 | 81.5 | 82.6 | 83.0 | 84.0 | 82.8 |
| 1995 | 84.6 | 84.2 | 84.0 | 83.5 | 83.1 | 83.1 | 82.2 | 82.7 | 83.1 | 82.6 | 82.3 | 82.1 | 84.3 | 83.2 | 82.7 | 82.3 | 83.1 |
| 1996 | 81.0 | 81.8 | 81.2 | 81.7 | 81.8 | 82.3 | 82.0 | 82.1 | 82.3 | 81.8 | 82.2 | 82.5 | 81.3 | 81.9 | 82.2 | 82.2 | 81.9 |
| 1997 | 82.1 | 82.8 | 83.3 | 82.5 | 82.7 | 82.7 | 82.4 | 83.2 | 83.3 | 83.4 | 83.8 | 83.6 | 82.8 | 82.6 | 83.0 | 83.6 | 83.0 |
| 1998 | 83.6 | 83.0 | 82.3 | 82.2 | 82.1 | 81.0 | 80.2 | 81.8 | 81.1 | 81.4 | 81.1 | 81.1 | 83.0 | 81.8 | 81.0 | 81.2 | 81.7 |
| 1999 | 81.0 | 81.2 | 80.8 | 80.7 | 81.1 | 80.5 | 80.5 | 80.7 | 80.0 | 80.9 | 81.1 | 81.4 | 81.0 | 80.7 | 80.4 | 81.1 | 80.8 |
| 2000 | 81.1 | 81.0 | 81.2 | 81.4 | 81.0 | 80.8 | 80.4 | 79.6 | 79.7 | 79.0 | 78.4 | 77.6 | 81.1 | 81.1 | 79.9 | 78.3 | 80.1 |
| 2001 | 76.9 | 76.2 | 75.7 | 75.3 | 74.6 | 73.9 | 73.5 | 72.9 | 72.5 | 71.9 | 71.6 | 71.7 | 76.3 | 74.6 | 73.0 | 71.7 | 73.9 |
| 2002 | 71.9 | 71.9 | 72.4 | 72.4 | 72.8 | 73.6 | 73.2 | 73.5 | 73.6 | 73.3 | 73.6 | 73.3 | 72.0 | 72.9 | 73.5 | 73.4 | 73.0 |
| 2003 | 73.7 | 73.8 | 74.1 | 73.5 | 73.5 | 74.0 | 74.1 | 74.0 | 74.6 | 74.5 | 75.3 | 75.2 | 73.9 | 73.6 | 74.2 | 75.0 | 74.2 |
| 2004 | 75.3 | 75.8 | 75.7 | 76.2 | 76.6 | 76.1 | 76.7 | 77.2 | 76.9 | 77.4 | 77.4 | 77.8 | 75.6 | 76.3 | 76.9 | 77.6 | 76.6 |
| 2005 | 78.2 | 78.6 | 78.3 | 78.4 | 78.7 | 78.9 | 78.8 | 79.0 | 78.1 | 79.2 | 79.7 | 79.8 | 78.4 | 78.7 | 78.6 | 79.6 | 78.8 |
| 2006 | 80.3 | 79.9 | 80.1 | 80.7 | 80.3 | 80.8 | 80.9 | 81.1 | 80.8 | 80.5 | 80.1 | 80.6 | 80.9 | ||||
Note: Estimates from August 2006 through October 2006 are subject to further revision in the upcoming monthly releases.
[1] See footnote 2 to table 3. Return to table