| Value | Category | Cases | |
|---|---|---|---|
| 0 | no restriction at all | 30 |
0.2%
|
| 1 | 4 |
0%
|
|
| 2 | 15 |
0.1%
|
|
| 3 | 9 |
0.1%
|
|
| 4 | 10 |
0.1%
|
|
| 5 | 18 |
0.1%
|
|
| 6 | 6 |
0%
|
|
| 7 | 12 |
0.1%
|
|
| 8 | 16 |
0.1%
|
|
| 9 | 5 |
0%
|
|
| 10 | a great deal of restriction | 10 |
0.1%
|
| -8 | other error | 0 |
0%
|
| -7 | filter error | 0 |
0%
|
| -3 | inapplicable | 13812 |
99%
|
| -2 | no answer | 1 |
0%
|
| -1 | does not know | 2 |
0%
|