| Value |
Category |
Cases |
|
| -9 |
Don't know (spontaneous) |
0 |
|
| 0 |
|
6 |
|
| 1 |
One minute or less |
1 |
|
| 10 |
|
5 |
|
| 15 |
|
13 |
|
| 20 |
|
6 |
|
| 30 |
|
18 |
|
| 35 |
|
1 |
|
| 40 |
|
1 |
|
| Sysmiss |
|
112 |
|
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.
