| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
9.7%
|
|
| 1 | 3 |
1.4%
|
|
| 2 | 2 |
0.9%
|
|
| 3 | 4 |
1.8%
|
|
| 4 | 2 |
0.9%
|
|
| 5 | 6 |
2.8%
|
|
| 7 | 3 |
1.4%
|
|
| 10 | 5 |
2.3%
|
|
| 12 | 4 |
1.8%
|
|
| 15 | 7 |
3.2%
|
|
| 18 | 1 |
0.5%
|
|
| 20 | 11 |
5.1%
|
|
| 24 | 2 |
0.9%
|
|
| 30 | 59 |
27.2%
|
|
| 35 | 1 |
0.5%
|
|
| 36 | 1 |
0.5%
|
|
| 40 | 7 |
3.2%
|
|
| 45 | 32 |
14.7%
|
|
| 48 | 2 |
0.9%
|
|
| 50 | 3 |
1.4%
|
|
| 54 | 1 |
0.5%
|
|
| 60 | 31 |
14.3%
|
|
| 72 | 2 |
0.9%
|
|
| 77 | Don't know | 4 |
1.8%
|
| 90 | 3 |
1.4%
|
|
| Sysmiss | 1813 |