| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 523 |
98.5%
|
| 2 | Twice | 8 |
1.5%
|
| 3 | Three times | 0 |
0%
|
| 4 | Four or more times | 0 |
0%
|
| 66 | Not on roster | 0 |
0%
|
| 77 | Not applicable/not available | 0 |
0%
|
| 87 | No preference | 0 |
0%
|
| 88 | Don?t know | 0 |
0%
|
| 90 | Since birth | 0 |
0%
|
| 99 | No response/Refuse to answer | 0 |
0%
|