| Value | Category | Cases | |
|---|---|---|---|
| 0 | < 1 month | 6 |
0.7%
|
| 1 | 40 |
4.4%
|
|
| 2 | 88 |
9.7%
|
|
| 3 | 102 |
11.3%
|
|
| 4 | 111 |
12.3%
|
|
| 5 | 132 |
14.6%
|
|
| 6 | 137 |
15.1%
|
|
| 7 | 115 |
12.7%
|
|
| 8 | 119 |
13.1%
|
|
| 9 | 55 |
6.1%
|
|
| Sysmiss | 11854 |