| Month | Number of messages |
|---|---|
| 2015 February | 2 |
| 2007 June | 1 |
| 2007 March | 1 |
| 2007 January | 1 |
| 2006 December | 1 |
| 2006 September | 1 |
| 2006 July | 1 |
| 2006 March | 2 |
| 2006 February | 2 |
| 2005 December | 10 |
| 2005 November | 1 |
| 2005 September | 1 |
| 2005 August | 1 |
| 2005 July | 1 |
| 2005 June | 2 |
| 2005 May | 2 |
| 2005 April | 1 |
| 2005 March | 1 |
| 2004 November | 4 |
| 2004 October | 7 |
| 2004 September | 17 |
| 2004 August | 6 |