| Value | Category | Cases | |
|---|---|---|---|
| 0 | 413 |
75.9%
|
|
| 1 | 2 |
0.4%
|
|
| 2 | 3 |
0.6%
|
|
| 3 | 2 |
0.4%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 7 |
1.3%
|
|
| 6 | 8 |
1.5%
|
|
| 8 | 3 |
0.6%
|
|
| 10 | 24 |
4.4%
|
|
| 12 | 4 |
0.7%
|
|
| 14 | 2 |
0.4%
|
|
| 15 | 8 |
1.5%
|
|
| 16 | 1 |
0.2%
|
|
| 20 | 4 |
0.7%
|
|
| 25 | 1 |
0.2%
|
|
| 77 | Don't know | 61 |
11.2%
|
| Sysmiss | 3559 |