| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 38 |
2.1%
|
| 2 | 10 | 10 |
0.6%
|
| 3 | 11 | 15 |
0.8%
|
| 4 | 12 | 201 |
11.1%
|
| 5 | 2 | 69 |
3.8%
|
| 6 | 3 | 71 |
3.9%
|
| 7 | 4 | 42 |
2.3%
|
| 8 | 4 months | 1 |
0.1%
|
| 9 | 5 | 24 |
1.3%
|
| 10 | 6 | 21 |
1.2%
|
| 11 | 7 | 11 |
0.6%
|
| 12 | 8 | 22 |
1.2%
|
| 13 | 9 | 6 |
0.3%
|
| Missing value | 1281 |
70.7%
|