| Value | Category | Cases | |
|---|---|---|---|
| -9 | missing | 1 |
0%
|
| -7 | na | 0 |
0%
|
| 1 | less | 171 |
8.4%
|
| 2 | same | 259 |
12.8%
|
| 3 | more | 1593 |
78.6%
|
| 8 | dont know | 2 |
0.1%
|