| Value | Category | Cases | |
|---|---|---|---|
| 1 | Upto 1950 | 4045 |
8.4%
|
| 2 | 1951-1955 | 1337 |
2.8%
|
| 3 | 1956-1960 | 2389 |
5%
|
| 4 | 1961-1965 | 3642 |
7.6%
|
| 5 | 1966-1970 | 4187 |
8.7%
|
| 6 | 1971-1975 | 6472 |
13.5%
|
| 7 | 1976-1980 | 8679 |
18.1%
|
| 8 | 1981 On wards | 17034 |
35.5%
|
| 9 | NR | 142 |
0.3%
|