| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.1%
|
|
| 1 | 456 |
30.9%
|
|
| 2 | 347 |
23.5%
|
|
| 3 | 351 |
23.8%
|
|
| 4 | 116 |
7.9%
|
|
| 5 | 62 |
4.2%
|
|
| 6 | 36 |
2.4%
|
|
| 7 | 23 |
1.6%
|
|
| 8 | 4 |
0.3%
|
|
| 9 | 7 |
0.5%
|
|
| 10 | 7 |
0.5%
|
|
| 12 | 1 |
0.1%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 1 |
0.1%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|
|
| 30 | 5 |
0.3%
|
|
| 45 | 1 |
0.1%
|
|
| 98 | don't know | 56 |
3.8%
|
| Sysmiss | 2137 |