| Value | Category | Cases | |
|---|---|---|---|
| 2 | 3 |
11.5%
|
|
| 3 | 1 |
3.8%
|
|
| 5 | 1 |
3.8%
|
|
| 7 | 1 |
3.8%
|
|
| 9 | 1 |
3.8%
|
|
| 12 | 5 |
19.2%
|
|
| 14 | 1 |
3.8%
|
|
| 24 | 2 years | 9 |
34.6%
|
| 36 | 3 years | 3 |
11.5%
|
| 48 | 4 years | 0 |
0%
|
| 60 | 5 years | 0 |
0%
|
| 98 | dont know | 1 |
3.8%
|
| Sysmiss | 5395 |