Value |
Category |
-9 |
don't know (spontaneous) |
0 |
|
1 |
|
2 |
|
4 |
|
5 |
|
10 |
|
15 |
|
20 |
|
25 |
|
30 |
|
40 |
|
50 |
|
60 |
|
70 |
|
75 |
|
80 |
|
88 |
|
90 |
|
95 |
|
100 |
|
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.