| Value |
Category |
| -99 |
dk |
| -77 |
na |
| 1 |
very helpful |
| 2 |
mildly helpful |
| 3 |
neutral |
| 4 |
mildly unhelpful |
| 5 |
very unhelpful |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.