Value |
Category |
-1 |
Missing |
1 |
Very Difficult |
2 |
Difficult |
3 |
Easy |
4 |
Very Easy |
7 |
Never Try |
9 |
Don't know |
98 |
Refused |
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.