| Value | Category | Cases | |
|---|---|---|---|
| 1 | 13 | 1 |
0.1%
|
| 2 | 15 | 12 |
0.8%
|
| 3 | 17 | 2 |
0.1%
|
| 4 | 18 | 4 |
0.3%
|
| 5 | 20 | 236 |
16.2%
|
| 6 | 21 | 1 |
0.1%
|
| 7 | 22 | 7 |
0.5%
|
| 8 | 23 | 1 |
0.1%
|
| 9 | 24 | 12 |
0.8%
|
| 10 | 25 | 164 |
11.3%
|
| 11 | 26 | 7 |
0.5%
|
| 12 | 27 | 5 |
0.3%
|
| 13 | 28 | 8 |
0.5%
|
| 14 | 30 | 570 |
39.1%
|
| 15 | 32 | 7 |
0.5%
|
| 16 | 33 | 1 |
0.1%
|
| 17 | 34 | 5 |
0.3%
|
| 18 | 35 | 71 |
4.9%
|
| 19 | 36 | 10 |
0.7%
|
| 20 | 37 | 1 |
0.1%
|
| 21 | 38 | 1 |
0.1%
|
| 22 | 40 | 238 |
16.3%
|
| 23 | 42 | 1 |
0.1%
|
| 24 | 45 | 25 |
1.7%
|
| 25 | 48 | 2 |
0.1%
|
| 26 | 49 | 1 |
0.1%
|
| 27 | 50 | 5 |
0.3%
|
| 28 | 6 | 1 |
0.1%
|
| 29 | 60 | 12 |
0.8%
|
| 30 | 70 | 1 |
0.1%
|
| 31 | dont_know | 1 |
0.1%
|
| Missing value | 44 |
3%
|