| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least four times a year | 110 |
22.1%
|
| 2 | 2-3 times a year | 243 |
48.9%
|
| 3 | At least once a year | 106 |
21.3%
|
| 4 | At most once a year | 32 |
6.4%
|
| 5 | No training needed | 3 |
0.6%
|
| 95 | Missing | 3 |
0.6%
|