| 2010 |
0%
|
|
| 2000 | 1% | |
| 1990 |
16%
|
|
| 1980 |
29%
|
|
| 1970 |
18%
|
|
| 1960 |
15%
|
|
| 1950 |
11%
|
|
| 1940 |
4%
|
|
| 1930 |
1%
|
|
| 1920 ומטה. |
0%
|