| Year | Count |
|---|---|
| 1916 | 15 |
| 1917 | 15 |
| 1918 | 10 |
| 1919 | 7 |
| 1920 | 64 |
| 1921 | 42 |
| 1922 | 52 |
| 1923 | 42 |
| 1924 | 63 |
| 1925 | 35 |
| 1926 | 48 |
| 1927 | 36 |
| 1928 | 49 |
| 1929 | 24 |
| 1930 | 13 |
| 1931 | 26 |
| 1932 | 42 |
| 1933 | 58 |
| 1934 | 32 |
| 1935 | 29 |
| 1936 | 30 |
| 1937 | 24 |
| 1938 | 22 |
| 1939 | 16 |
| 1940 | 20 |
| 1941 | 20 |
| 1942 | 18 |
| 1943 | 24 |
| 1944 | 19 |
| 1945 | 19 |
| 1946 | 5 |
| 1947 | 20 |
| 1948 | 23 |
| 1949 | 21 |
| 1950 | 5 |
| 1951 | 30 |
| 1954 | 16 |
| 1955 | 16 |
| 1956 | 17 |
| 1960 | 6 |
| 1961 | 5 |
| 1962 | 5 |
| 1973 | 12 |
| 1975 | 61 |
| 1976 | 16 |
| 1979 | 6 |
| 1980 | 5 |
| 1982 | 21 |
| 1983 | 5 |
| 1989 | 5 |
| 1990 | 5 |
| 2012 | 5 |
| 2021 | 7 |