| Month | Number of messages |
|---|---|
| 2008 April | 1 |
| 2007 June | 1 |
| 2006 June | 11 |
| 2006 March | 2 |
| 2005 November | 11 |
| 2005 October | 7 |
| 2005 September | 41 |
| 2005 August | 10 |
| 2005 July | 17 |
| 2005 June | 66 |
| 2005 May | 95 |
| 2005 April | 58 |
| 2004 December | 16 |
| 2004 November | 57 |
| 2004 October | 63 |
| 2004 September | 76 |
| 2004 August | 102 |
| 2004 July | 97 |
| 2004 June | 85 |
| 2004 May | 78 |