| Value | Category | Cases | |
|---|---|---|---|
| 0 | 24 |
3.3%
|
|
| 1 | 6 |
0.8%
|
|
| 2 | 11 |
1.5%
|
|
| 3 | 5 |
0.7%
|
|
| 4 | 11 |
1.5%
|
|
| 5 | 7 |
1%
|
|
| 6 | 15 |
2.1%
|
|
| 7 | 7 |
1%
|
|
| 8 | 35 |
4.8%
|
|
| 9 | 4 |
0.5%
|
|
| 10 | 4 |
0.5%
|
|
| 12 | 7 |
1%
|
|
| 13 | 1 |
0.1%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 3 |
0.4%
|
|
| 24 | 1 |
0.1%
|
|
| 88 | Don't know | 1 |
0.1%
|
| 99 | Don't know | 588 |
80.4%
|
| Sysmiss | 1869 |