| Period | Uptime | Downtime | Outage |
| 2012 Yearly Total | 97.304% | 3day 17hr 00min | 18 |
| 2012 May | 100.000% | 00min | 0 |
| 2012 Apr | 88.947% | 3day 07hr 35min | 9 |
| 2012 Mar | 98.790% | 09hr 00min | 4 |
| 2012 Feb | 99.976% | 10min | 2 |
| 2012 Jan | 99.966% | 15min | 3 |
| 2011 Yearly Total | 99.602% | 1day 10hr 40min | 98 |
| 2011 Dec | 99.395% | 04hr 30min | 2 |
| 2011 Nov | 99.637% | 02hr 35min | 2 |
| 2011 Oct | 99.843% | 01hr 10min | 5 |
| 2011 Sep | 99.431% | 04hr 05min | 9 |
| 2011 Aug | 99.966% | 15min | 3 |
| 2011 Jul | 99.944% | 25min | 4 |
| 2011 Jun | 99.629% | 02hr 40min | 7 |
| 2011 May | 99.468% | 03hr 55min | 8 |
| 2011 Apr | 99.699% | 02hr 10min | 15 |
| 2011 Mar | 99.742% | 01hr 55min | 14 |
| 2011 Feb | 99.836% | 01hr 05min | 9 |
| 2011 Jan | 98.645% | 09hr 55min | 20 |
| 2010 Yearly Total | 99.868% | 11hr 35min | 108 |
| 2010 Dec | 99.630% | 02hr 45min | 14 |
| 2010 Nov | 99.896% | 45min | 9 |
| 2010 Oct | 99.754% | 01hr 50min | 21 |
| 2010 Sep | 99.791% | 01hr 30min | 14 |
| 2010 Aug | 99.910% | 40min | 7 |
| 2010 Jul | 99.776% | 01hr 40min | 19 |
| 2010 Jun | 99.988% | 05min | 1 |
| 2010 May | 99.989% | 05min | 1 |
| 2010 Apr | 99.931% | 30min | 5 |
| 2010 Mar | 99.955% | 20min | 4 |
| 2010 Feb | 99.851% | 01hr 00min | 8 |
| 2010 Jan | 99.944% | 25min | 5 |
| 2009 Yearly Total | 99.970% | 02hr 05min | 14 |
| 2009 Dec | 99.877% | 55min | 8 |
| 2009 Nov | 99.954% | 20min | 2 |
| 2009 Oct | 100.000% | 00min | 0 |
| 2009 Sep | 99.907% | 40min | 2 |
| 2009 Aug | 99.989% | 05min | 1 |
| 2009 Jul | 99.989% | 05min | 1 |
| 2009 Jun | 100.000% | 00min | 0 |
| 2009 May | 100.000% | 00min | 0 |
| 2009 Apr | 100.000% | 00min | 0 |
| 2009 Mar | 100.000% | 00min | 0 |
|