Value |
Category |
1 |
Before 1946 |
2 |
1946-1960 |
3 |
1961-1970 |
4 |
1971-1980 |
5 |
1981-1990 |
6 |
1991-1999 |
7 |
2000 or later |
8 |
Not known |
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.