| قيمة | فئة | حالات | |
|---|---|---|---|
| 1920 | 1 |
1.5%
|
|
| 1958 | 2 |
3%
|
|
| 1962 | 2 |
3%
|
|
| 1963 | 1 |
1.5%
|
|
| 1964 | 9 |
13.6%
|
|
| 1965 | 2 |
3%
|
|
| 1966 | 3 |
4.5%
|
|
| 1967 | 5 |
7.6%
|
|
| 1970 | 5 |
7.6%
|
|
| 1975 | 3 |
4.5%
|
|
| 1976 | 1 |
1.5%
|
|
| 1980 | 2 |
3%
|
|
| 1982 | 1 |
1.5%
|
|
| 1985 | 1 |
1.5%
|
|
| 1988 | 14 |
21.2%
|
|
| 1989 | 1 |
1.5%
|
|
| 1990 | 2 |
3%
|
|
| 1993 | 1 |
1.5%
|
|
| 1995 | 2 |
3%
|
|
| 1997 | 1 |
1.5%
|
|
| 1998 | 1 |
1.5%
|
|
| 2001 | 1 |
1.5%
|
|
| 2008 | 1 |
1.5%
|
|
| 2010 | 2 |
3%
|
|
| 2011 | 1 |
1.5%
|
|
| 2014 | 1 |
1.5%
|