| Value | Category | Cases | |
|---|---|---|---|
| 1 | Tour operator | 6 |
0%
|
| 2 | Travel agent | 225 |
0.1%
|
| 3 | Booked independently | 2169 |
1%
|
| 4 | No booking necessary | 1508 |
0.7%
|
| 5 | Do not know | 361 |
0.2%
|
| 8 | Not applicable | 15989 |
7.7%
|
| 9 | Unspecified | 187744 |
90.3%
|