| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 |
3%
|
|
| 2 | 2 |
0.5%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 3 |
0.8%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 1 |
0.3%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 5 |
1.4%
|
|
| 12 | 1 |
0.3%
|
|
| 15 | 1 |
0.3%
|
|
| 20 | 12 |
3.3%
|
|
| 40 | 1 |
0.3%
|
|
| 77 | Dont' know | 1 |
0.3%
|
| 88 | Don't know | 1 |
0.3%
|
| 99 | Don't know | 322 |
88.5%
|
| Sysmiss | 2236 |