| Value |
Category |
| -9 |
|
| -7 |
|
| 1945 |
|
| 1949 |
|
| 1966 |
|
| 1967 |
|
| 1972 |
|
| 1978 |
|
| 1981 |
|
| 1982 |
|
| 1985 |
|
| 1987 |
|
| 1988 |
|
| 1989 |
|
| 1990 |
|
| 1996 |
|
| 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.
