| Period | Uptime |
| 2012 Yearly Total | 100.000% |
| 2012 Feb | 100.000% |
| 2012 Jan | 100.000% |
| 2011 Yearly Total | 99.865% |
| 2011 Dec | 99.959% |
| 2011 Nov | 99.965% |
| 2011 Oct | 99.980% |
| 2011 Sep | 100.000% |
| 2011 Aug | 99.630% |
| 2011 Jul | 100.000% |
| 2011 Jun | 100.000% |
| 2011 May | 99.993% |
| 2011 Apr | 100.000% |
| 2011 Mar | 100.000% |
| 2011 Feb | 99.799% |
| 2011 Jan | 99.066% |
| 2010 Yearly Total | 99.779% |
| 2010 Dec | 99.913% |
| 2010 Nov | 99.965% |
| 2010 Oct | 99.879% |
| 2010 Sep | 100.000% |
| 2010 Aug | 99.698% |
| 2010 Jul | 99.792% |
| 2010 Jun | 99.951% |
| 2010 May | 98.710% |
| 2010 Apr | 99.792% |
| 2010 Mar | 100.000% |
| 2010 Feb | 99.993% |
| 2010 Jan | 99.698% |
| 2009 Yearly Total | 99.924% |
| 2009 Dec | 99.987% |
| 2009 Nov | 100.000% |
| 2009 Oct | 99.892% |
| 2009 Sep | 99.854% |
| 2009 Aug | 99.987% |
| 2009 Jul | 99.906% |
| 2009 Jun | 99.725% |
| 2009 May | 99.966% |
| 2009 Apr | 99.986% |
| 2009 Mar | 99.805% |
| 2009 Feb | 99.978% |
| 2009 Jan | 100.000% |
| 2008 Yearly Total | 99.623% |
| 2008 Dec | 99.819% |
| 2008 Nov | 99.896% |
| 2008 Oct | 98.944% |
| 2008 Sep | 99.603% |
| 2008 Aug | 100.000% |
| 2008 Jul | 100.000% |
| 2008 Jun | 100.000% |
| 2008 May | 100.000% |
| 2008 Apr | 98.347% |
| 2008 Mar | 99.769% |
| 2008 Feb | 99.459% |
| 2008 Jan | 99.581% |
| 2007 Yearly Total | 99.724% |
| 2007 Dec | 99.724% |
|