| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
1.3%
|
|
| 1 | 28 |
18.5%
|
|
| 2 | 14 |
9.3%
|
|
| 3 | 17 |
11.3%
|
|
| 4 | 5 |
3.3%
|
|
| 5 | 1 |
0.7%
|
|
| 6 | 4 |
2.6%
|
|
| 7 | 2 |
1.3%
|
|
| 8 | 10 |
6.6%
|
|
| 9 | 7 |
4.6%
|
|
| 10 | 1 |
0.7%
|
|
| 11 | 1 |
0.7%
|
|
| 12 | 14 |
9.3%
|
|
| 13 | 4 |
2.6%
|
|
| 14 | 4 |
2.6%
|
|
| 15 | 8 |
5.3%
|
|
| 16 | 1 |
0.7%
|
|
| 17 | 1 |
0.7%
|
|
| 18 | 1 |
0.7%
|
|
| 24 | 2 |
1.3%
|
|
| 96 | period not returned | 23 |
15.2%
|
| 97 | inconsistent | 0 |
0%
|
| 98 | don't know | 1 |
0.7%
|
| Sysmiss | 14483 |