| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 20 | 1 |
1%
|
|
| 30 | 3 |
3%
|
|
| 35 | 1 |
1%
|
|
| 40 | 3 |
3%
|
|
| 43 | 1 |
1%
|
|
| 50 | 2 |
2%
|
|
| 55 | 2 |
2%
|
|
| 60 | 11 |
11%
|
|
| 65 | 4 |
4%
|
|
| 70 | 18 |
18%
|
|
| 75 | 3 |
3%
|
|
| 80 | 22 |
22%
|
|
| 85 | 5 |
5%
|
|
| 90 | 20 |
20%
|
|
| 94 | 1 |
1%
|
|
| 95 | 2 |
2%
|
|
| 100 | 1 |
1%
|
|
| Sysmiss | 146 |