| Value | Category | Cases | |
|---|---|---|---|
| 2014 | 1 |
0.3%
|
|
| 2016 | 1 |
0.3%
|
|
| 2017 | 1 |
0.3%
|
|
| April | 37 |
11.2%
|
|
| August | 7 |
2.1%
|
|
| December | 22 |
6.7%
|
|
| Don't Know | 39 |
11.8%
|
|
| February | 23 |
7%
|
|
| January | 21 |
6.4%
|
|
| July | 17 |
5.2%
|
|
| June | 24 |
7.3%
|
|
| March | 47 |
14.2%
|
|
| May | 13 |
3.9%
|
|
| November | 39 |
11.8%
|
|
| October | 23 |
7%
|
|
| September | 15 |
4.5%
|