| Period | Uptime | Downtime | Outage |
| 2012 Yearly Total | 99.983% | 06min | 0.350 |
| 2012 Jan | 99.983% | 06min | 0.350 |
| 2011 Yearly Total | 99.868% | 11hr 24min | 8.850 |
| 2011 Dec | 99.892% | 48min | 0.950 |
| 2011 Nov | 99.823% | 01hr 14min | 0.950 |
| 2011 Oct | 99.906% | 42min | 1.300 |
| 2011 Sep | 99.867% | 52min | 0.600 |
| 2011 Aug | 99.906% | 42min | 0.600 |
| 2011 Jul | 99.571% | 03hr 11min | 0.400 |
| 2011 Jun | 99.847% | 58min | 1.500 |
| 2011 May | 99.936% | 28min | 0.450 |
| 2011 Apr | 99.896% | 45min | 0.700 |
| 2011 Mar | 99.909% | 40min | 0.800 |
| 2011 Feb | 99.976% | 09min | 0.350 |
| 2011 Jan | 99.882% | 52min | 0.250 |
| 2010 Yearly Total | 99.909% | 07hr 55min | 6.700 |
| 2010 Dec | 99.998% | 00min | 0.050 |
| 2010 Nov | 99.964% | 13min | 0.350 |
| 2010 Oct | 99.973% | 12min | 0.200 |
| 2010 Sep | 99.957% | 18min | 0.300 |
| 2010 Aug | 99.941% | 26min | 0.400 |
| 2010 Jul | 99.970% | 13min | 0.350 |
| 2010 Jun | 99.963% | 15min | 0.450 |
| 2010 May | 99.911% | 39min | 0.900 |
| 2010 Apr | 99.575% | 03hr 03min | 2.500 |
| 2010 Mar | 99.802% | 01hr 28min | 0.350 |
| 2010 Feb | 99.991% | 03min | 0.250 |
| 2010 Jan | 99.866% | 01hr 00min | 0.600 |
| 2009 Yearly Total | 99.919% | 04hr 11min | 3.850 |
| 2009 Dec | 99.948% | 23min | 0.400 |
| 2009 Nov | 99.876% | 41min | 0.350 |
| 2009 Oct | 99.994% | 02min | 0.176 |
| 2009 Sep | 99.990% | 04min | 0.294 |
| 2009 Aug | 99.829% | 01hr 14min | 0.176 |
| 2009 Jul | 99.962% | 16min | 0.059 |
| 2009 Jun | 99.988% | 05min | 0.200 |
| 2009 May | 99.899% | 45min | 2.143 |
| 2009 Apr | 99.980% | 08min | 0.500 |
| 2009 Mar | 99.856% | 01hr 01min | 0.308 |
| 2009 Feb | 99.994% | 02min | 0.167 |
| 2009 Jan | 99.922% | 35min | 0.333 |
| 2008 Yearly Total | 99.686% | 08hr 21min | 2.833 |
| 2008 Dec | 99.980% | 08min | 0.500 |
| 2008 Nov | 100.000% | 00min | 0.000 |
| 2008 Oct | 99.059% | 07hr 00min | 1.417 |
| 2008 Sep | 99.727% | 01hr 06min | 0.500 |
| 2008 Aug | 99.869% | 12min | 0.833 |
|