| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
2.5%
|
| 0 | 14 |
3.1%
|
|
| 1 | 1 |
0.2%
|
|
| 3 | 1 |
0.2%
|
|
| 5 | 2 |
0.4%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 1 |
0.2%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 2 |
0.4%
|
|
| 23 | 1 |
0.2%
|
|
| 30 | 3 |
0.7%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 6 |
1.3%
|
|
| 45 | 4 |
0.9%
|
|
| 50 | 19 |
4.2%
|
|
| 55 | 1 |
0.2%
|
|
| 60 | 15 |
3.3%
|
|
| 65 | 2 |
0.4%
|
|
| 66 | 1 |
0.2%
|
|
| 67 | 1 |
0.2%
|
|
| 70 | 32 |
7.1%
|
|
| 75 | 6 |
1.3%
|
|
| 77 | 1 |
0.2%
|
|
| 80 | 46 |
10.3%
|
|
| 85 | 2 |
0.4%
|
|
| 90 | 73 |
16.3%
|
|
| 92 | 1 |
0.2%
|
|
| 95 | 7 |
1.6%
|
|
| 98 | 2 |
0.4%
|
|
| 99 | 1 |
0.2%
|
|
| 100 | 189 |
42.2%
|
|
| Sysmiss | 518 |