| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 79 |
9.7%
|
| 0 | 8 |
1%
|
|
| 2 | 1 |
0.1%
|
|
| 5 | 2 |
0.2%
|
|
| 10 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|
|
| 23 | 1 |
0.1%
|
|
| 30 | 4 |
0.5%
|
|
| 40 | 4 |
0.5%
|
|
| 45 | 5 |
0.6%
|
|
| 50 | 8 |
1%
|
|
| 52 | 2 |
0.2%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 7 |
0.9%
|
|
| 65 | 3 |
0.4%
|
|
| 70 | 5 |
0.6%
|
|
| 75 | 6 |
0.7%
|
|
| 80 | 13 |
1.6%
|
|
| 85 | 3 |
0.4%
|
|
| 90 | 4 |
0.5%
|
|
| 93 | 1 |
0.1%
|
|
| 95 | 8 |
1%
|
|
| 96 | 1 |
0.1%
|
|
| 99 | 1 |
0.1%
|
|
| 100 | 644 |
79.2%
|
|
| Sysmiss | 147 |