| Value | Category | Cases | |
|---|---|---|---|
| 0 | 438 |
61.3%
|
|
| 1 | 1 |
0.1%
|
|
| 2 | 3 |
0.4%
|
|
| 3 | 1 |
0.1%
|
|
| 5 | 2 |
0.3%
|
|
| 10 | 23 |
3.2%
|
|
| 15 | 32 |
4.5%
|
|
| 20 | 20 |
2.8%
|
|
| 22 | 1 |
0.1%
|
|
| 25 | 1 |
0.1%
|
|
| 30 | 140 |
19.6%
|
|
| 35 | 5 |
0.7%
|
|
| 40 | 11 |
1.5%
|
|
| 45 | 20 |
2.8%
|
|
| 50 | 8 |
1.1%
|
|
| 55 | 1 |
0.1%
|
|
| 59 | 2 |
0.3%
|
|
| 77 | Don't know | 5 |
0.7%
|
| Sysmiss | 3273 |