| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -77 | Does not apply | 0 |
0%
|
| -9 | Don't know (spontaneous) | 43 |
4.4%
|
| -7 | Does not apply (spontaneous) | 764 |
78.4%
|
| 1 | 17 |
1.7%
|
|
| 2 | 14 |
1.4%
|
|
| 3 | 13 |
1.3%
|
|
| 4 | 12 |
1.2%
|
|
| 5 | 25 |
2.6%
|
|
| 6 | 17 |
1.7%
|
|
| 7 | 10 |
1%
|
|
| 8 | 9 |
0.9%
|
|
| 9 | 3 |
0.3%
|
|
| 10 | 13 |
1.3%
|
|
| 12 | 3 |
0.3%
|
|
| 15 | 4 |
0.4%
|
|
| 17 | 2 |
0.2%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 6 |
0.6%
|
|
| 23 | 2 |
0.2%
|
|
| 25 | 3 |
0.3%
|
|
| 30 | 2 |
0.2%
|
|
| 35 | 1 |
0.1%
|
|
| 36 | 1 |
0.1%
|
|
| 40 | 3 |
0.3%
|
|
| 46 | 1 |
0.1%
|
|
| 50 | 3 |
0.3%
|
|
| 60 | 1 |
0.1%
|
|
| 80 | 1 |
0.1%
|
|
| 90 | 1 |
0.1%
|
|
| Sysmiss | 394 |