| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 24 |
4.1%
|
| 0 | 220 |
37.7%
|
|
| 1 | 46 |
7.9%
|
|
| 2 | 46 |
7.9%
|
|
| 3 | 37 |
6.3%
|
|
| 4 | 23 |
3.9%
|
|
| 5 | 25 |
4.3%
|
|
| 6 | 16 |
2.7%
|
|
| 7 | 9 |
1.5%
|
|
| 8 | 11 |
1.9%
|
|
| 9 | 8 |
1.4%
|
|
| 10 | 21 |
3.6%
|
|
| 11 | 5 |
0.9%
|
|
| 12 | 3 |
0.5%
|
|
| 13 | 3 |
0.5%
|
|
| 14 | 2 |
0.3%
|
|
| 15 | 8 |
1.4%
|
|
| 16 | 2 |
0.3%
|
|
| 17 | 4 |
0.7%
|
|
| 18 | 1 |
0.2%
|
|
| 19 | 1 |
0.2%
|
|
| 20 | 9 |
1.5%
|
|
| 21 | 1 |
0.2%
|
|
| 23 | 5 |
0.9%
|
|
| 24 | 1 |
0.2%
|
|
| 25 | 8 |
1.4%
|
|
| 26 | 2 |
0.3%
|
|
| 28 | 1 |
0.2%
|
|
| 29 | 1 |
0.2%
|
|
| 30 | 2 |
0.3%
|
|
| 31 | 1 |
0.2%
|
|
| 32 | 1 |
0.2%
|
|
| 36 | 1 |
0.2%
|
|
| 40 | 3 |
0.5%
|
|
| 41 | 1 |
0.2%
|
|
| 45 | 5 |
0.9%
|
|
| 46 | 1 |
0.2%
|
|
| 47 | 1 |
0.2%
|
|
| 48 | 1 |
0.2%
|
|
| 50 | 2 |
0.3%
|
|
| 52 | 1 |
0.2%
|
|
| 54 | 2 |
0.3%
|
|
| 60 | 3 |
0.5%
|
|
| 70 | 2 |
0.3%
|
|
| 73 | 1 |
0.2%
|
|
| 75 | 1 |
0.2%
|
|
| 76 | 1 |
0.2%
|
|
| 80 | 1 |
0.2%
|
|
| 82 | 1 |
0.2%
|
|
| 92 | 1 |
0.2%
|
|
| 110 | 1 |
0.2%
|
|
| 112 | 1 |
0.2%
|
|
| 115 | 1 |
0.2%
|
|
| 147 | 1 |
0.2%
|
|
| 160 | 1 |
0.2%
|
|
| 195 | 1 |
0.2%
|
|
| 280 | 1 |
0.2%
|
|
| 622 | 1 |
0.2%
|
|
| Sysmiss | 632 |