| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.1%
|
|
| 80 | 116 |
10.4%
|
|
| 160 | 289 |
25.8%
|
|
| 240 | 221 |
19.8%
|
|
| 320 | 101 |
9%
|
|
| 400 | 89 |
8%
|
|
| 480 | 20 |
1.8%
|
|
| 560 | 1 |
0.1%
|
|
| 640 | 5 |
0.4%
|
|
| 720 | 1 |
0.1%
|
|
| 800 | 10 |
0.9%
|
|
| 1200 | 2 |
0.2%
|
|
| Missing value | 262 |
23.4%
|