| Value |
Category |
| 0 |
|
| 1 |
Zero |
| 2 |
Once |
| 3 |
Twice |
| 4 |
Thrice |
| 5 |
Four times |
| 6 |
Five times |
| 7 |
More than five times |
| 8 |
|
| 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.