| Value | Category | Cases | |
|---|---|---|---|
| 0 | less than 1 year | 1192 |
47.4%
|
| 1 | 1221 |
48.5%
|
|
| 98 | If 98 or more | 103 |
4.1%
|
| 99 | Don't know | 0 |
0%
|