| Value | Category | Cases | |
|---|---|---|---|
| April | 500 |
8.5%
|
|
| August | 487 |
8.3%
|
|
| December | 485 |
8.3%
|
|
| Don't know | 6 |
0.1%
|
|
| February | 428 |
7.3%
|
|
| January | 556 |
9.5%
|
|
| July | 458 |
7.8%
|
|
| June | 545 |
9.3%
|
|
| March | 495 |
8.4%
|
|
| May | 495 |
8.4%
|
|
| November | 433 |
7.4%
|
|
| October | 450 |
7.7%
|
|
| Refused | 1 |
0%
|
|
| September | 523 |
8.9%
|