| Value |
Category |
Cases |
|
| 1990 |
|
1 |
|
| 1991 |
|
19 |
|
| 1992 |
|
30 |
|
| 1993 |
|
14 |
|
| 7777 |
DON'T KNOW |
5 |
|
| 9999 |
REFUSED |
0 |
|
| Sysmiss |
|
8961 |
|
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.
