| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.5%
|
|
| 1 | 4 |
1.8%
|
|
| 2 | 23 |
10.4%
|
|
| 3 | 20 |
9%
|
|
| 4 | 11 |
5%
|
|
| 5 | 24 |
10.9%
|
|
| 6 | 17 |
7.7%
|
|
| 7 | 9 |
4.1%
|
|
| 8 | 5 |
2.3%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 40 |
18.1%
|
|
| 11 | 1 |
0.5%
|
|
| 12 | 7 |
3.2%
|
|
| 14 | 2 |
0.9%
|
|
| 15 | 13 |
5.9%
|
|
| 20 | 25 |
11.3%
|
|
| 25 | 5 |
2.3%
|
|
| 30 | 4 |
1.8%
|
|
| 40 | 4 |
1.8%
|
|
| 42 | 1 |
0.5%
|
|
| 777 | Don't know | 4 |
1.8%
|
| Sysmiss | 2487 |