| Muy / Bastante probable | Poco / Nada probable | NS / NC | |
|---|---|---|---|
| abr-13 | 30 | 67 | 3 |
| mar-13 | 31 | 66 | 3 |
| feb-13 | 42 | 55 | 3 |
| ene-13 | 32 | 65 | 3 |
| dic-12 | 28 | 68 | 4 |
| nov-12 | 31 | 66 | 3 |
| oct-12 | 34 | 62 | 4 |
| sep-12 | 33 | 63 | 4 |
| ago-12 | 35 | 61 | 4 |
| jul-12 | 33 | 64 | 3 |
| jun-12 | 27 | 70 | 3 |
| may-12 | 34 | 63 | 3 |
| abr-12 | 28 | 69 | 3 |
| mar-12 | 29 | 67 | 4 |
| feb-12 | 31 | 65 | 4 |
