| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
4%
|
|
| 8 | 2 |
1.3%
|
|
| 9 | 1 |
0.7%
|
|
| 12 | 2 |
1.3%
|
|
| 20 | 4 |
2.7%
|
|
| 26 | 1 |
0.7%
|
|
| 30 | 1 |
0.7%
|
|
| 40 | 1 |
0.7%
|
|
| 995 | Missing | 0 |
0%
|
| 998 | Don't Know | 0 |
0%
|
| 999 | Not applicable | 132 |
88%
|