| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
6.7%
|
|
| 1910 | 3 |
2.9%
|
|
| 1928 | 1 |
1%
|
|
| 1937 | 1 |
1%
|
|
| 1938 | 1 |
1%
|
|
| 1939 | 1 |
1%
|
|
| 1944 | 2 |
1.9%
|
|
| 1946 | 1 |
1%
|
|
| 1949 | 1 |
1%
|
|
| 1950 | 4 |
3.8%
|
|
| 1951 | 2 |
1.9%
|
|
| 1952 | 5 |
4.8%
|
|
| 1954 | 2 |
1.9%
|
|
| 1955 | 1 |
1%
|
|
| 1956 | 1 |
1%
|
|
| 1959 | 1 |
1%
|
|
| 1961 | 1 |
1%
|
|
| 1964 | 3 |
2.9%
|
|
| 1967 | 2 |
1.9%
|
|
| 1969 | 1 |
1%
|
|
| 1970 | 1 |
1%
|
|
| 1972 | 2 |
1.9%
|
|
| 1974 | 2 |
1.9%
|
|
| 1975 | 4 |
3.8%
|
|
| 1976 | 1 |
1%
|
|
| 1977 | 1 |
1%
|
|
| 1978 | 5 |
4.8%
|
|
| 1979 | 1 |
1%
|
|
| 1980 | 6 |
5.7%
|
|
| 1981 | 2 |
1.9%
|
|
| 1982 | 2 |
1.9%
|
|
| 1983 | 3 |
2.9%
|
|
| 1984 | 4 |
3.8%
|
|
| 1985 | 2 |
1.9%
|
|
| 1986 | 2 |
1.9%
|
|
| 1990 | 3 |
2.9%
|
|
| 1991 | 1 |
1%
|
|
| 1997 | 2 |
1.9%
|
|
| 1998 | 4 |
3.8%
|
|
| 1999 | 1 |
1%
|
|
| 2000 | 10 |
9.5%
|
|
| 2001 | 3 |
2.9%
|
|
| 2003 | 2 |
1.9%
|
|
| Sysmiss | 437 |