| Value |
Category |
| 994 |
994. Unreadable |
| 996 |
996. Exceeds max measurement |
| 997 |
997. Respondent disabled |
| 998 |
998. Refused |
| 999 |
999. Don't know |
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.