| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
0.2%
|
|
| 1 | 105 |
4.1%
|
|
| 2 | 791 |
31.2%
|
|
| 3 | 639 |
25.2%
|
|
| 4 | 545 |
21.5%
|
|
| 5 | 234 |
9.2%
|
|
| 6 | 130 |
5.1%
|
|
| 7 | 43 |
1.7%
|
|
| 8 | 18 |
0.7%
|
|
| 9 | 7 |
0.3%
|
|
| 10 | 6 |
0.2%
|
|
| 11 | 2 |
0.1%
|
|
| 12 | 1 |
0%
|
|
| 13 | 1 |
0%
|
|
| 15 | 1 |
0%
|
|
| 18 | 2 |
0.1%
|
|
| 41 | 1 |
0%
|
|
| 77 | Don't know | 2 |
0.1%
|
| Sysmiss | 54 |