| Value | Category | Cases | |
|---|---|---|---|
| 101 | Months: 1 | 1 |
2.6%
|
| 199 | Months: number missing | 0 |
0%
|
| 201 | Years: 1 | 29 |
74.4%
|
| 299 | Years: number missing | 0 |
0%
|
| 998 | Don't know | 9 |
23.1%
|