| Period | Uptime | Downtime | Outage |
| 2012 Yearly Total | 99.132% | 08hr 15min | 17 |
| 2012 Feb | 99.638% | 45min | 5 |
| 2012 Jan | 98.992% | 07hr 30min | 12 |
| 2011 Yearly Total | 99.387% | 2day 05hr 40min | 144 |
| 2011 Dec | 99.205% | 05hr 55min | 10 |
| 2010 Yearly Total | 99.893% | 09hr 20min | 36 |
| 2009 Yearly Total | 98.952% | 15hr 10min | 11 |
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