| Value | Category | Cases | |
|---|---|---|---|
| 0 | 10 |
18.5%
|
|
| 1917 | 1 |
1.9%
|
|
| 1944 | 1 |
1.9%
|
|
| 1950 | 2 |
3.7%
|
|
| 1951 | 1 |
1.9%
|
|
| 1960 | 3 |
5.6%
|
|
| 1961 | 1 |
1.9%
|
|
| 1964 | 2 |
3.7%
|
|
| 1965 | 1 |
1.9%
|
|
| 1967 | 2 |
3.7%
|
|
| 1968 | 2 |
3.7%
|
|
| 1973 | 1 |
1.9%
|
|
| 1974 | 1 |
1.9%
|
|
| 1975 | 1 |
1.9%
|
|
| 1976 | 2 |
3.7%
|
|
| 1979 | 3 |
5.6%
|
|
| 1980 | 4 |
7.4%
|
|
| 1984 | 2 |
3.7%
|
|
| 1986 | 1 |
1.9%
|
|
| 1989 | 1 |
1.9%
|
|
| 1991 | 1 |
1.9%
|
|
| 1997 | 1 |
1.9%
|
|
| 1999 | 2 |
3.7%
|
|
| 2000 | 1 |
1.9%
|
|
| 2002 | 5 |
9.3%
|
|
| 2003 | 2 |
3.7%
|
|
| Sysmiss | 488 |