| Year | Count |
|---|---|
| 1912 | 22 |
| 1913 | 55 |
| 1914 | 50 |
| 1915 | 52 |
| 1916 | 72 |
| 1917 | 99 |
| 1918 | 173 |
| 1919 | 157 |
| 1920 | 103 |
| 1921 | 173 |
| 1922 | 93 |
| 1923 | 95 |
| 1924 | 113 |
| 1925 | 100 |
| 1926 | 110 |
| 1927 | 94 |
| 1928 | 103 |
| 1929 | 156 |
| 1930 | 131 |
| 1931 | 68 |
| 1932 | 61 |
| 1933 | 66 |
| 1934 | 33 |
| 1935 | 74 |
| 1936 | 69 |
| 1937 | 46 |
| 1938 | 45 |
| 1939 | 32 |
| 1940 | 61 |
| 1941 | 60 |
| 1942 | 49 |
| 1943 | 64 |
| 1944 | 11 |
| 1945 | 35 |
| 1946 | 26 |
| 1947 | 70 |
| 1948 | 26 |
| 1949 | 26 |
| 1950 | 15 |
| 1951 | 18 |
| 1952 | 15 |
| 1953 | 40 |
| 1954 | 27 |
| 1955 | 36 |
| 1956 | 18 |
| 1957 | 21 |
| 1958 | 5 |
| 1959 | 22 |
| 1960 | 6 |
| 1962 | 6 |
| 1963 | 10 |
| 1966 | 12 |
| 1967 | 10 |
| 1970 | 10 |
| 1998 | 6 |
| 2002 | 5 |
| 2003 | 10 |
| 2012 | 10 |
| 2014 | 10 |