| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2'000 | 26 |
2.9%
|
| 2 | 2'001-3'000 | 48 |
5.3%
|
| 3 | 3'001-4'000 | 84 |
9.4%
|
| 4 | 4'001-5'000 | 118 |
13.1%
|
| 5 | 5'001-6'000 | 121 |
13.5%
|
| 6 | 6'001-7'000 | 91 |
10.1%
|
| 7 | 7'001-8'000 | 97 |
10.8%
|
| 8 | 8'001-9'000 | 56 |
6.2%
|
| 9 | 9'001-10'000 | 51 |
5.7%
|
| 10 | 10'001-12'000 | 62 |
6.9%
|
| 11 | More than 12'000 | 58 |
6.5%
|
| 98 | don't know | 44 |
4.9%
|
| 99 | no answer | 42 |
4.7%
|