| Value | Category | Cases | |
|---|---|---|---|
| 0 | 242 |
17.5%
|
|
| 1 | 328 |
23.7%
|
|
| 2 | 266 |
19.2%
|
|
| 3 | 152 |
11%
|
|
| 4 | 58 |
4.2%
|
|
| 5 | 80 |
5.8%
|
|
| 6 | 31 |
2.2%
|
|
| 7 | 100 |
7.2%
|
|
| 8 | 10 |
0.7%
|
|
| 9 | 6 |
0.4%
|
|
| 10 | 19 |
1.4%
|
|
| 11 | 3 |
0.2%
|
|
| 12 | 9 |
0.7%
|
|
| 13 | 1 |
0.1%
|
|
| 14 | 28 |
2%
|
|
| 15 | 10 |
0.7%
|
|
| 16 | 4 |
0.3%
|
|
| 17 | 1 |
0.1%
|
|
| 18 | 3 |
0.2%
|
|
| 20 | 1 |
0.1%
|
|
| 21 | 11 |
0.8%
|
|
| 25 | 1 |
0.1%
|
|
| 30 | 6 |
0.4%
|
|
| 77 | Don't know | 14 |
1%
|
| Sysmiss | 3 |