Value |
Category |
1 |
till 1950 year |
2 |
1951-1970 |
3 |
1971-1980 |
4 |
1981-1990 |
5 |
1991-1995 |
6 |
1996 and later |
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.