| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
1.4%
|
|
| 1 | 10 |
4.8%
|
|
| 2 | 17 |
8.1%
|
|
| 3 | 16 |
7.6%
|
|
| 4 | 10 |
4.8%
|
|
| 5 | 19 |
9%
|
|
| 6 | 6 |
2.9%
|
|
| 7 | 7 |
3.3%
|
|
| 9 | 5 |
2.4%
|
|
| 10 | 21 |
10%
|
|
| 11 | 2 |
1%
|
|
| 12 | 1 |
0.5%
|
|
| 13 | 4 |
1.9%
|
|
| 14 | 2 |
1%
|
|
| 15 | 10 |
4.8%
|
|
| 16 | 1 |
0.5%
|
|
| 18 | 2 |
1%
|
|
| 19 | 2 |
1%
|
|
| 20 | 2 |
1%
|
|
| 23 | 1 |
0.5%
|
|
| 35 | 1 |
0.5%
|
|
| 37 | 1 |
0.5%
|
|
| 48 | 1 |
0.5%
|
|
| 77 | Don't know | 14 |
6.7%
|
| 99 | Don't know | 52 |
24.8%
|
| Sysmiss | 14398 |