| Value | Category | Cases | |
|---|---|---|---|
| 0 | 334 |
20.3%
|
|
| 1 | 279 |
17%
|
|
| 2 | 282 |
17.2%
|
|
| 3 | 203 |
12.4%
|
|
| 4 | 103 |
6.3%
|
|
| 5 | 200 |
12.2%
|
|
| 6 | 59 |
3.6%
|
|
| 7 | 77 |
4.7%
|
|
| 8 | 12 |
0.7%
|
|
| 9 | 2 |
0.1%
|
|
| 10 | 29 |
1.8%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 13 |
0.8%
|
|
| 14 | 14 |
0.9%
|
|
| 15 | 6 |
0.4%
|
|
| 16 | 2 |
0.1%
|
|
| 18 | 2 |
0.1%
|
|
| 19 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|
|
| 21 | 12 |
0.7%
|
|
| 77 | don't know | 10 |
0.6%
|
| Sysmiss | 1 |