| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -77 | Does not apply | 0 |
0%
|
| -9 | Don't know (spontaneous) | 10 |
3.2%
|
| -7 | Does not apply (spontaneous) | 32 |
10.2%
|
| 0 | 228 |
72.8%
|
|
| 4 | 7 |
2.2%
|
|
| 5 | 4 |
1.3%
|
|
| 6 | 2 |
0.6%
|
|
| 8 | 5 |
1.6%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 3 |
1%
|
|
| 11 | 1 |
0.3%
|
|
| 13 | 1 |
0.3%
|
|
| 15 | 7 |
2.2%
|
|
| 16 | 2 |
0.6%
|
|
| 17 | 1 |
0.3%
|
|
| 20 | 1 |
0.3%
|
|
| 24 | 1 |
0.3%
|
|
| 54 | 1 |
0.3%
|
|
| 60 | 1 |
0.3%
|
|
| 70 | 2 |
0.6%
|
|
| 300 | 1 |
0.3%
|
|
| 330 | 1 |
0.3%
|
|
| 600 | 1 |
0.3%
|
|
| Sysmiss | 48 |