2006 Historical Data
| 12 December | 43.04% |
| 31 October | 46.88% |
| 24 October | 48.88% |
| 17 October | 48.57% |
| 26 September | 42.75% |
| 12 September | 42.73% |
| 18 July | 42.21% |
| 11 July | 42.47% |
| 27 June | 43.05% |
| 20 June | 43.36% |
| 13 June | 44.16% |
| 6 June | 44.621% |
| 30 May | 44.21% |
| 9 May | 45.41% |
| 2 May | 46.90% |
| 25 April | 47.28% |
| 18 April | 47.31% |
| 4 April | 44.09% |
| 28 March | 43.65% |
| 21 March | 44.04% |
| 14 March | 43.61% |
| 7 March | 44.74% |
| 31 January | 43.54% |
| 17 January | 43.52% |
| 3 January | 43.14% |
