| Value | Category | Cases | |
|---|---|---|---|
| 0 | 28 |
3.9%
|
|
| 1 | 3 |
0.4%
|
|
| 2 | 1 |
0.1%
|
|
| 3 | 2 |
0.3%
|
|
| 5 | 86 |
12%
|
|
| 9 | 2 |
0.3%
|
|
| 10 | 157 |
21.9%
|
|
| 12 | 2 |
0.3%
|
|
| 15 | 120 |
16.8%
|
|
| 20 | 51 |
7.1%
|
|
| 25 | 4 |
0.6%
|
|
| 30 | 174 |
24.3%
|
|
| 35 | 1 |
0.1%
|
|
| 40 | 18 |
2.5%
|
|
| 45 | 8 |
1.1%
|
|
| 60 | 38 |
5.3%
|
|
| 90 | 3 |
0.4%
|
|
| 120 | 11 |
1.5%
|
|
| 180 | 1 |
0.1%
|
|
| 720 | 2 |
0.3%
|
|
| 900 | 2 |
0.3%
|
|
| 998 | Don't know | 2 |
0.3%
|
| Sysmiss | 15080 |