| Value | Category | Cases | |
|---|---|---|---|
| 3 | 1 |
0.2%
|
|
| 10 | 2 |
0.4%
|
|
| 11 | 1 |
0.2%
|
|
| 12 | 4 |
0.8%
|
|
| 13 | 1 |
0.2%
|
|
| 15 | 1 |
0.2%
|
|
| 16 | 3 |
0.6%
|
|
| 18 | 2 |
0.4%
|
|
| 19 | 1 |
0.2%
|
|
| 20 | 20 |
4.1%
|
|
| 21 | 10 |
2%
|
|
| 22 | 13 |
2.6%
|
|
| 23 | 4 |
0.8%
|
|
| 24 | 18 |
3.7%
|
|
| 25 | 62 |
12.6%
|
|
| 26 | 3 |
0.6%
|
|
| 30 | 2 |
0.4%
|
|
| 35 | 1 |
0.2%
|
|
| 50 | 3 |
0.6%
|
|
| 51 | 1 |
0.2%
|
|
| 60 | 1 |
0.2%
|
|
| 75 | 2 |
0.4%
|
|
| 80 | 1 |
0.2%
|
|
| 99 | Don't Know | 334 |
68%
|
| Sysmiss | 412 |