| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | 1 |
0.2%
|
|
| 2 | 1 |
0.2%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 5 |
1.2%
|
|
| 7 | 1 |
0.2%
|
|
| 10 | 4 |
1%
|
|
| 12 | 4 |
1%
|
|
| 14 | 1 |
0.2%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 2 |
0.5%
|
|
| 25 | 2 |
0.5%
|
|
| 28 | 1 |
0.2%
|
|
| 30 | 7 |
1.7%
|
|
| 40 | 4 |
1%
|
|
| 45 | 1 |
0.2%
|
|
| 50 | 17 |
4.2%
|
|
| 55 | 3 |
0.7%
|
|
| 60 | 10 |
2.5%
|
|
| 65 | 4 |
1%
|
|
| 70 | 16 |
4%
|
|
| 75 | 11 |
2.7%
|
|
| 80 | 23 |
5.7%
|
|
| 85 | 4 |
1%
|
|
| 90 | 30 |
7.4%
|
|
| 95 | 19 |
4.7%
|
|
| 97 | 1 |
0.2%
|
|
| 98 | 7 |
1.7%
|
|
| 99 | 3 |
0.7%
|
|
| 100 | 220 |
54.5%
|
|
| Sysmiss | 197 |