| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 |
0.6%
|
|
| 2 | 8 |
1.6%
|
|
| 3 | 13 |
2.5%
|
|
| 4 | 4 |
0.8%
|
|
| 5 | 6 |
1.2%
|
|
| 7 | 34 |
6.6%
|
|
| 8 | 3 |
0.6%
|
|
| 10 | 12 |
2.3%
|
|
| 14 | 8 |
1.6%
|
|
| 15 | 4 |
0.8%
|
|
| 20 | 6 |
1.2%
|
|
| 25 | 1 |
0.2%
|
|
| 30 | 172 |
33.6%
|
|
| 90 | DK | 4 |
0.8%
|
| 99 | Never | 234 |
45.7%
|