| Year | Count |
|---|---|
| 1910 | 6 |
| 1911 | 10 |
| 1912 | 23 |
| 1913 | 22 |
| 1914 | 41 |
| 1915 | 24 |
| 1916 | 79 |
| 1917 | 49 |
| 1918 | 49 |
| 1919 | 47 |
| 1920 | 68 |
| 1921 | 55 |
| 1922 | 46 |
| 1923 | 23 |
| 1924 | 48 |
| 1925 | 28 |
| 1926 | 57 |
| 1927 | 11 |
| 1928 | 43 |
| 1929 | 38 |
| 1930 | 27 |
| 1931 | 29 |
| 1932 | 38 |
| 1933 | 37 |
| 1934 | 19 |
| 1935 | 20 |
| 1936 | 18 |
| 1937 | 39 |
| 1938 | 34 |
| 1939 | 79 |
| 1940 | 22 |
| 1941 | 7 |
| 1943 | 10 |
| 1944 | 10 |
| 1946 | 11 |
| 1947 | 6 |
| 1948 | 12 |
| 1949 | 5 |
| 1954 | 10 |
| 1956 | 5 |
| 1957 | 5 |
| 2019 | 6 |