| Value | Category | Cases | |
|---|---|---|---|
| 0 | 415 |
74.4%
|
|
| 1 | 38 |
6.8%
|
|
| 2 | 32 |
5.7%
|
|
| 3 | 14 |
2.5%
|
|
| 4 | 5 |
0.9%
|
|
| 5 | 7 |
1.3%
|
|
| 6 | 7 |
1.3%
|
|
| 7 | 2 |
0.4%
|
|
| 8 | 2 |
0.4%
|
|
| 9 | 1 |
0.2%
|
|
| 10 | 2 |
0.4%
|
|
| 12 | 1 |
0.2%
|
|
| 14 | 1 |
0.2%
|
|
| 15 | 1 |
0.2%
|
|
| 17 | 1 |
0.2%
|
|
| 20 | 1 |
0.2%
|
|
| 50 | 1 |
0.2%
|
|
| 77 | Don't know | 27 |
4.8%
|
| Sysmiss | 3629 |