| Period | Uptime | Downtime | Outage |
| 2012 Yearly Total | 99.918% | 39min | 0.679 |
| 2012 Feb | 100.000% | 00min | 0.000 |
| 2012 Jan | 99.912% | 39min | 0.679 |
| 2011 Yearly Total | 99.956% | 03hr 52min | 5.286 |
| 2011 Dec | 99.945% | 24min | 0.750 |
| 2011 Nov | 99.997% | 01min | 0.286 |
| 2011 Oct | 99.920% | 35min | 0.536 |
| 2011 Sep | 99.880% | 51min | 0.926 |
| 2011 Aug | 99.927% | 32min | 0.333 |
| 2011 Jul | 99.968% | 14min | 0.444 |
| 2011 Jun | 99.941% | 25min | 0.667 |
| 2011 May | 99.998% | 00min | 0.111 |
| 2011 Apr | 99.984% | 06min | 0.222 |
| 2011 Mar | 99.963% | 16min | 0.259 |
| 2011 Feb | 99.969% | 12min | 0.370 |
| 2011 Jan | 99.965% | 15min | 0.519 |
| 2010 Yearly Total | 99.488% | 1day 09hr 30min | 7.821 |
| 2010 Dec | 99.968% | 14min | 0.852 |
| 2010 Nov | 99.556% | 03hr 11min | 0.481 |
| 2010 Oct | 99.936% | 28min | 1.037 |
| 2010 Sep | 96.352% | 14hr 47min | 1.000 |
| 2010 Aug | 98.411% | 11hr 49min | 0.536 |
| 2010 Jul | 99.855% | 01hr 04min | 0.714 |
| 2010 Jun | 99.967% | 14min | 0.643 |
| 2010 May | 99.946% | 19min | 0.714 |
| 2010 Apr | 99.986% | 06min | 0.154 |
| 2010 Mar | 99.899% | 45min | 0.731 |
| 2010 Feb | 99.899% | 40min | 1.040 |
| 2010 Jan | 99.990% | 04min | 0.292 |
| 2009 Yearly Total | 99.810% | 16hr 25min | 5.783 |
| 2009 Dec | 99.981% | 08min | 0.304 |
| 2009 Nov | 99.982% | 07min | 0.304 |
| 2009 Oct | 99.972% | 12min | 0.522 |
| 2009 Sep | 99.864% | 58min | 1.087 |
| 2009 Aug | 99.966% | 14min | 0.435 |
| 2009 Jul | 99.951% | 21min | 1.000 |
| 2009 Jun | 99.148% | 06hr 07min | 0.143 |
| 2009 May | 99.965% | 15min | 0.476 |
| 2009 Apr | 99.967% | 13min | 0.300 |
| 2009 Mar | 99.977% | 10min | 0.722 |
| 2009 Feb | 99.853% | 59min | 0.667 |
| 2009 Jan | 98.720% | 09hr 31min | 0.389 |
| 2008 Yearly Total | 99.851% | 12hr 00min | 9.944 |
| 2008 Dec | 99.225% | 05hr 46min | 1.167 |
| 2008 Nov | 99.990% | 04min | 0.278 |
| 2008 Oct | 99.989% | 04min | 0.588 |
| 2008 Sep | 99.962% | 16min | 0.706 |
| 2008 Aug | 99.978% | 10min | 0.400 |
| 2008 Jul | 99.630% | 02hr 45min | 3.867 |
| 2008 Jun | 99.807% | 01hr 23min | 1.600 |
| 2008 May | 99.989% | 05min | 0.357 |
| 2008 Apr | 99.971% | 12min | 0.385 |
| 2008 Mar | 99.983% | 07min | 0.167 |
| 2008 Feb | 99.632% | 02hr 33min | 0.917 |
| 2008 Jan | 99.944% | 25min | 2.000 |
| 2007 Yearly Total | 99.824% | 07hr 51min | 6.700 |
| 2007 Dec | 99.671% | 02hr 27min | 0.400 |
| 2007 Nov | 99.781% | 01hr 34min | 2.300 |
| 2007 Oct | 99.958% | 18min | 0.800 |
| 2007 Sep | 99.643% | 02hr 34min | 0.571 |
| 2007 Aug | 99.749% | 01hr 52min | 1.000 |
| 2007 Jul | 99.997% | 01min | 0.143 |
| 2007 Jun | 99.937% | 26min | 1.857 |
| 2007 May | 99.975% | 11min | 1.250 |
| 2007 Apr | 99.994% | 02min | 0.500 |
| 2007 Mar | 100.000% | 00min | 0.000 |
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