| Value | Category | Cases | |
|---|---|---|---|
| 1 | six months | 52 |
17.3%
|
| 2 | 12 months | 53 |
17.7%
|
| 3 | 24 months or more | 125 |
41.7%
|
| 4 | I won't accept | 70 |
23.3%
|