| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -77 | Does not apply | 1 |
0.2%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | 518 |
93.7%
|
|
| 1 | 2 |
0.4%
|
|
| 2 | 8 |
1.4%
|
|
| 3 | 4 |
0.7%
|
|
| 4 | 2 |
0.4%
|
|
| 5 | 5 |
0.9%
|
|
| 6 | 1 |
0.2%
|
|
| 8 | 1 |
0.2%
|
|
| 9 | 2 |
0.4%
|
|
| 10 | 1 |
0.2%
|
|
| 12 | 1 |
0.2%
|
|
| 14 | 1 |
0.2%
|
|
| 18 | 1 |
0.2%
|
|
| 24 | 1 |
0.2%
|
|
| 40 | 1 |
0.2%
|
|
| 74 | 1 |
0.2%
|
|
| 120 | 1 |
0.2%
|
|
| 130 | 1 |
0.2%
|
|
| Sysmiss | 252 |