| Value | Category | Cases | |
|---|---|---|---|
| 1949 | [min,1950) | 17 |
5.7%
|
| 1950 | [1950,1960) | 34 |
11.4%
|
| 1960 | [1960,1970) | 19 |
6.4%
|
| 1970 | [1970,1980) | 27 |
9.1%
|
| 1980 | [1980,1990) | 48 |
16.2%
|
| 1990 | [1990,2000) | 64 |
21.5%
|
| 2000 | [2000,2010) | 54 |
18.2%
|
| 2010 | [2010,max] | 34 |
11.4%
|
| Sysmiss | 2 |