| Value | Category | Cases | |
|---|---|---|---|
| 0 | less than 1 year | 4 |
12.1%
|
| 1 | 3 |
9.1%
|
|
| 2 | 2 |
6.1%
|
|
| 3 | 2 |
6.1%
|
|
| 5 | 2 |
6.1%
|
|
| 7 | 4 |
12.1%
|
|
| 8 | 4 |
12.1%
|
|
| 9 | 2 |
6.1%
|
|
| 10 | 3 |
9.1%
|
|
| 11 | 1 |
3%
|
|
| 15 | 1 |
3%
|
|
| 19 | 1 |
3%
|
|
| 25 | 1 |
3%
|
|
| 30 | 1 |
3%
|
|
| 36 | 1 |
3%
|
|
| 71 | 1 |
3%
|
|
| Sysmiss | 5418 |