| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 19 |
12.7%
|
| 1 | 15 |
10%
|
|
| 2 | 2 |
1.3%
|
|
| 3 | 4 |
2.7%
|
|
| 4 | 1 |
0.7%
|
|
| 5 | 2 |
1.3%
|
|
| 6 | 3 |
2%
|
|
| 9 | 2 |
1.3%
|
|
| 10 | 6 |
4%
|
|
| 11 | 2 |
1.3%
|
|
| 12 | 2 |
1.3%
|
|
| 14 | 1 |
0.7%
|
|
| 15 | 10 |
6.7%
|
|
| 16 | 1 |
0.7%
|
|
| 20 | 1 |
0.7%
|
|
| 21 | 1 |
0.7%
|
|
| 22 | 1 |
0.7%
|
|
| 24 | 2 |
1.3%
|
|
| 26 | 1 |
0.7%
|
|
| 28 | 2 |
1.3%
|
|
| 29 | 2 |
1.3%
|
|
| 30 | 59 |
39.3%
|
|
| 31 | 11 |
7.3%
|
|
| Sysmiss | 2900 |