| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
0.1%
|
|
| 5 | 26 |
3.6%
|
|
| 8 | 1 |
0.1%
|
|
| 10 | 137 |
18.9%
|
|
| 15 | 60 |
8.3%
|
|
| 20 | 202 |
27.9%
|
|
| 25 | 14 |
1.9%
|
|
| 30 | 170 |
23.5%
|
|
| 35 | 2 |
0.3%
|
|
| 40 | 46 |
6.4%
|
|
| 45 | 1 |
0.1%
|
|
| 50 | 2 |
0.3%
|
|
| 60 | 46 |
6.4%
|
|
| 80 | 1 |
0.1%
|
|
| 90 | 1 |
0.1%
|
|
| 120 | 7 |
1%
|
|
| 180 | 3 |
0.4%
|
|
| 998 | DK | 2 |
0.3%
|
| 999 | Missing | 1 |
0.1%
|
| Sysmiss | 277 |