| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 = Boarding | 48 |
2.2%
|
| 2 | 2 = Day | 410 |
19.1%
|
| 3 | 3 = Both | 0 |
0%
|
| 7 | 7 = Refusal | 147 |
6.9%
|
| 9 | 9 = Not applicable | 1488 |
69.4%
|
| 5 | 5 = Missing | 52 |
2.4%
|