| Value | Category | Cases | |
|---|---|---|---|
| 0 | 349 |
10.6%
|
|
| 1 | 17 |
0.5%
|
|
| 2 | 39 |
1.2%
|
|
| 3 | 55 |
1.7%
|
|
| 4 | 79 |
2.4%
|
|
| 5 | 124 |
3.8%
|
|
| 6 | 233 |
7.1%
|
|
| 7 | 122 |
3.7%
|
|
| 8 | 206 |
6.2%
|
|
| 9 | 250 |
7.6%
|
|
| 10 | 224 |
6.8%
|
|
| 11 | 136 |
4.1%
|
|
| 12 | 626 |
19%
|
|
| 13 | 73 |
2.2%
|
|
| 14 | 161 |
4.9%
|
|
| 15 | 101 |
3.1%
|
|
| 16 | 201 |
6.1%
|
|
| 17 | 51 |
1.5%
|
|
| 18 | 64 |
1.9%
|
|
| 19 | 12 |
0.4%
|
|
| 20 | 20 or more | 33 |
1%
|
| 98 | don't know | 122 |
3.7%
|
| 99 | refused | 21 |
0.6%
|
| Sysmiss | 1780 |