| Value | Category | Cases | |
|---|---|---|---|
| 0 | less than 1 year | 0 |
0%
|
| 1 | 4 |
3.4%
|
|
| 2 | 10 |
8.5%
|
|
| 3 | 11 |
9.3%
|
|
| 4 | 10 |
8.5%
|
|
| 5 | 19 |
16.1%
|
|
| 6 | 8 |
6.8%
|
|
| 7 | 10 |
8.5%
|
|
| 8 | 16 |
13.6%
|
|
| 9 | 14 |
11.9%
|
|
| 10 | 2 |
1.7%
|
|
| 11 | 8 |
6.8%
|
|
| 12 | 6 |
5.1%
|
|
| Sysmiss | 12 |