| Value | Category | Cases | |
|---|---|---|---|
| 1949 | [min,1950) | 89 |
22.4%
|
| 1950 | [1950,1960) | 54 |
13.6%
|
| 1960 | [1960,1970) | 35 |
8.8%
|
| 1970 | [1970,1980) | 34 |
8.6%
|
| 1980 | [1980,1990) | 51 |
12.8%
|
| 1990 | [1990,2000) | 43 |
10.8%
|
| 2000 | [2000,2010) | 84 |
21.2%
|
| 2010 | [2010,max] | 7 |
1.8%
|
| Sysmiss | 3 |