| Value | Category | Cases | |
|---|---|---|---|
| 80 | 135 |
17.8%
|
|
| 160 | 130 |
17.2%
|
|
| 240 | 95 |
12.5%
|
|
| 320 | 16 |
2.1%
|
|
| 400 | 74 |
9.8%
|
|
| 480 | 6 |
0.8%
|
|
| 560 | 4 |
0.5%
|
|
| 640 | 5 |
0.7%
|
|
| 720 | 3 |
0.4%
|
|
| 800 | 6 |
0.8%
|
|
| Missing value | 284 |
37.5%
|