| Value | Category | Cases | |
|---|---|---|---|
| -7 | Not applicable | 0 |
0%
|
| 0 | 529 |
67.5%
|
|
| 1 | 117 |
14.9%
|
|
| 2 | 58 |
7.4%
|
|
| 3 | 38 |
4.8%
|
|
| 4 | 13 |
1.7%
|
|
| 5 | 10 |
1.3%
|
|
| 6 | 5 |
0.6%
|
|
| 7 | 4 |
0.5%
|
|
| 8 | 1 |
0.1%
|
|
| 9 | 2 |
0.3%
|
|
| 10 | 2 |
0.3%
|
|
| 11 | 1 |
0.1%
|
|
| 14 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|
|
| 888 | Don't know | 2 |
0.3%
|