| Month | Number of messages |
|---|---|
| 2010 August | 23 |
| 2010 June | 1 |
| 2010 April | 1 |
| 2010 March | 2 |
| 2010 January | 6 |
| 2008 July | 3 |
| 2008 June | 231 |
| 2008 February | 1 |
| 2008 January | 10 |
| 2007 September | 2 |
| 2007 July | 7 |
| 2007 June | 11 |
| 2007 May | 15 |
| 2007 April | 11 |
| 2007 February | 12 |
| 2007 January | 2 |
| 2006 December | 2 |
| 2006 January | 40 |
| 2005 August | 5 |
| 2005 July | 15 |
| 2005 June | 9 |
| 2005 April | 2 |
| 2004 November | 10 |
| 2004 October | 37 |
| 2004 August | 9 |
| 2004 July | 47 |
| 2004 June | 19 |
| 2004 April | 6 |
| 2004 March | 11 |
| 2003 November | 2 |
| 2003 September | 4 |
| 2003 July | 18 |
| 2003 June | 1 |
| 2003 May | 20 |
| 2003 April | 5 |