| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 49 |
8.2%
|
| 0 | 4 |
0.7%
|
|
| 1 | 1 |
0.2%
|
|
| 5 | 7 |
1.2%
|
|
| 6 | 1 |
0.2%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 52 |
8.7%
|
|
| 12 | 12 |
2%
|
|
| 13 | 1 |
0.2%
|
|
| 15 | 32 |
5.3%
|
|
| 16 | 1 |
0.2%
|
|
| 18 | 2 |
0.3%
|
|
| 20 | 73 |
12.1%
|
|
| 22 | 1 |
0.2%
|
|
| 24 | 1 |
0.2%
|
|
| 25 | 43 |
7.2%
|
|
| 28 | 3 |
0.5%
|
|
| 30 | 89 |
14.8%
|
|
| 32 | 1 |
0.2%
|
|
| 33 | 1 |
0.2%
|
|
| 35 | 19 |
3.2%
|
|
| 38 | 1 |
0.2%
|
|
| 40 | 66 |
11%
|
|
| 45 | 6 |
1%
|
|
| 50 | 64 |
10.6%
|
|
| 55 | 2 |
0.3%
|
|
| 60 | 31 |
5.2%
|
|
| 65 | 3 |
0.5%
|
|
| 70 | 8 |
1.3%
|
|
| 75 | 3 |
0.5%
|
|
| 80 | 10 |
1.7%
|
|
| 90 | 3 |
0.5%
|
|
| 100 | 10 |
1.7%
|
|
| Sysmiss | 359 |