| Value |
Category |
| 1 |
Upto 1950 |
| 2 |
1951-1955 |
| 3 |
1956-1960 |
| 4 |
1961-1965 |
| 5 |
1966-1970 |
| 6 |
1971-1975 |
| 7 |
1976-1980 |
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.