| Value | Category | Cases | |
|---|---|---|---|
| 0 | 155 |
17.5%
|
|
| 1 | 37 |
4.2%
|
|
| 2 | 78 |
8.8%
|
|
| 3 | 88 |
9.9%
|
|
| 4 | 93 |
10.5%
|
|
| 5 | 139 |
15.7%
|
|
| 6 | 58 |
6.5%
|
|
| 7 | 32 |
3.6%
|
|
| 8 | 15 |
1.7%
|
|
| 9 | 1 |
0.1%
|
|
| 10 | 104 |
11.7%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 17 |
1.9%
|
|
| 13 | 1 |
0.1%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 12 |
1.4%
|
|
| 20 | 47 |
5.3%
|
|
| 40 | 1 |
0.1%
|
|
| 77 | Don't know | 8 |
0.9%
|
| Sysmiss | 4705 |