| Value | Category | Cases | |
|---|---|---|---|
| 0 | no restriction at all | 29 |
0.2%
|
| 1 | 12 |
0.1%
|
|
| 2 | 13 |
0.1%
|
|
| 3 | 11 |
0.1%
|
|
| 4 | 6 |
0%
|
|
| 5 | 22 |
0.1%
|
|
| 6 | 13 |
0.1%
|
|
| 7 | 14 |
0.1%
|
|
| 8 | 14 |
0.1%
|
|
| 9 | 6 |
0%
|
|
| 10 | a great deal of restriction | 18 |
0.1%
|
| -8 | other error | 0 |
0%
|
| -7 | filter error | 0 |
0%
|
| -3 | inapplicable | 16184 |
99%
|
| -2 | no answer | 0 |
0%
|
| -1 | does not know | 2 |
0%
|