| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 43 |
3.8%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 524 |
45.8%
|
|
| 1 | 4 |
0.3%
|
|
| 2 | 14 |
1.2%
|
|
| 3 | 9 |
0.8%
|
|
| 4 | 2 |
0.2%
|
|
| 5 | 76 |
6.6%
|
|
| 6 | 2 |
0.2%
|
|
| 8 | 1 |
0.1%
|
|
| 9 | 1 |
0.1%
|
|
| 10 | 114 |
10%
|
|
| 12 | 1 |
0.1%
|
|
| 13 | 1 |
0.1%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 50 |
4.4%
|
|
| 17 | 1 |
0.1%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 98 |
8.6%
|
|
| 21 | 1 |
0.1%
|
|
| 25 | 22 |
1.9%
|
|
| 30 | 53 |
4.6%
|
|
| 35 | 5 |
0.4%
|
|
| 40 | 13 |
1.1%
|
|
| 41 | 1 |
0.1%
|
|
| 50 | 45 |
3.9%
|
|
| 60 | 13 |
1.1%
|
|
| 70 | 16 |
1.4%
|
|
| 75 | 2 |
0.2%
|
|
| 80 | 14 |
1.2%
|
|
| 90 | 2 |
0.2%
|
|
| 100 | 15 |
1.3%
|
|
| Sysmiss | 178 |