2003 Historical Data
| 30 December | 46.54% |
| 16 December | 47.33% |
| 9 December | 46.13% |
| 2 December | 46.84% |
| 25 November | 47.07% |
| 11 November | 48.35% |
| 4 November | 46.36% |
| 28 October | 46.44% |
| 14 October | 54.10% |
| 7 October | 52.91% |
| 30 September | 50.95% |
| 23 September | 49.33% |
| 16 September | 48.81% |
| 9 September | 48.27% |
| 2 September | 50.33% |
| 26 August | 50.24% |
| 26 August | 50.24% |
| 19 August | 50.17% |
| 29 July | 50.40% |
| 22 July | 50.47% |
| 15 July | 51.88% |
| 8 July | 53.19% |
| 1 July | 53.38% |
| 24 June | 53.61% |
| 17 June | 53.91% |
| 10 June | 55.79% |
| 3 June | 55.52% |
| 20 May | 56.58% |
| 13 May | 57.30% |
| 6 May | 58.09% |
| 29 April | 58.21% |
| 22 April | 58.64% |
| 15 April | 57.51% |
| 8 April | 56.94% |
| 25 March | 56.95% |
| 18 March | 57.08% |
| 11 March | 56.72% |
| 4 March | 56.26% |
| 25 February | 55.58% |
| 18 February | 56.14% |
| 4 February | 55.50% |
| 28 January | 54.43% |
| 21 January | 54.15% |
| 14 January | 54.03% |
| 7 January | 54.04% |
