| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.2%
|
| 0 | 114 |
19%
|
|
| 1 | 13 |
2.2%
|
|
| 2 | 2 |
0.3%
|
|
| 5 | 14 |
2.3%
|
|
| 7 | 2 |
0.3%
|
|
| 8 | 2 |
0.3%
|
|
| 10 | 19 |
3.2%
|
|
| 15 | 17 |
2.8%
|
|
| 20 | 45 |
7.5%
|
|
| 25 | 23 |
3.8%
|
|
| 27 | 1 |
0.2%
|
|
| 30 | 20 |
3.3%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 10 |
1.7%
|
|
| 45 | 3 |
0.5%
|
|
| 50 | 29 |
4.8%
|
|
| 60 | 25 |
4.2%
|
|
| 65 | 4 |
0.7%
|
|
| 70 | 33 |
5.5%
|
|
| 75 | 2 |
0.3%
|
|
| 80 | 50 |
8.3%
|
|
| 85 | 10 |
1.7%
|
|
| 90 | 46 |
7.7%
|
|
| 94 | 1 |
0.2%
|
|
| 95 | 26 |
4.3%
|
|
| 97 | 1 |
0.2%
|
|
| 98 | 5 |
0.8%
|
|
| 99 | 4 |
0.7%
|
|
| 100 | 77 |
12.8%
|
|
| Sysmiss | 600 |