| Value |
Category |
| 1 |
Negative |
| 2 |
0% |
| 3 |
1-10% |
| 4 |
11-20% |
| 5 |
21-30% |
| 6 |
31-40% |
| 7 |
More than 40% |
| 9 |
DK-NA |
| Sysmiss |
|
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.