| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 55 |
6.8%
|
| 0 | 473 |
58.2%
|
|
| 1 | 4 |
0.5%
|
|
| 2 | 32 |
3.9%
|
|
| 3 | 34 |
4.2%
|
|
| 4 | 26 |
3.2%
|
|
| 5 | 32 |
3.9%
|
|
| 6 | 16 |
2%
|
|
| 7 | 10 |
1.2%
|
|
| 8 | 14 |
1.7%
|
|
| 9 | 6 |
0.7%
|
|
| 10 | 13 |
1.6%
|
|
| 11 | 3 |
0.4%
|
|
| 12 | 11 |
1.4%
|
|
| 13 | 2 |
0.2%
|
|
| 14 | 2 |
0.2%
|
|
| 15 | 9 |
1.1%
|
|
| 17 | 1 |
0.1%
|
|
| 18 | 2 |
0.2%
|
|
| 19 | 2 |
0.2%
|
|
| 20 | 4 |
0.5%
|
|
| 21 | 2 |
0.2%
|
|
| 23 | 1 |
0.1%
|
|
| 24 | 1 |
0.1%
|
|
| 25 | 2 |
0.2%
|
|
| 26 | 1 |
0.1%
|
|
| 28 | 2 |
0.2%
|
|
| 30 | 5 |
0.6%
|
|
| 35 | 1 |
0.1%
|
|
| 36 | 1 |
0.1%
|
|
| 37 | 1 |
0.1%
|
|
| 38 | 2 |
0.2%
|
|
| 40 | 4 |
0.5%
|
|
| 43 | 1 |
0.1%
|
|
| 45 | 3 |
0.4%
|
|
| 50 | 4 |
0.5%
|
|
| 69 | 1 |
0.1%
|
|
| 70 | 1 |
0.1%
|
|
| 75 | 2 |
0.2%
|
|
| 78 | 2 |
0.2%
|
|
| 79 | 1 |
0.1%
|
|
| 80 | 2 |
0.2%
|
|
| 91 | 1 |
0.1%
|
|
| 98 | 1 |
0.1%
|
|
| 100 | 4 |
0.5%
|
|
| 102 | 1 |
0.1%
|
|
| 108 | 2 |
0.2%
|
|
| 109 | 1 |
0.1%
|
|
| 120 | 2 |
0.2%
|
|
| 135 | 1 |
0.1%
|
|
| 150 | 1 |
0.1%
|
|
| 200 | 2 |
0.2%
|
|
| 280 | 1 |
0.1%
|
|
| 290 | 1 |
0.1%
|
|
| 300 | 1 |
0.1%
|
|
| 400 | 1 |
0.1%
|
|
| 421 | 1 |
0.1%
|
|
| 1000 | 1 |
0.1%
|
|
| Sysmiss | 147 |