| Year | Count |
|---|---|
| 1910 | 5 |
| 1911 | 31 |
| 1912 | 75 |
| 1913 | 112 |
| 1914 | 117 |
| 1915 | 230 |
| 1916 | 218 |
| 1917 | 261 |
| 1918 | 235 |
| 1919 | 277 |
| 1920 | 249 |
| 1921 | 227 |
| 1922 | 218 |
| 1923 | 180 |
| 1924 | 207 |
| 1925 | 146 |
| 1926 | 129 |
| 1927 | 107 |
| 1928 | 120 |
| 1929 | 98 |
| 1930 | 103 |
| 1931 | 100 |
| 1932 | 80 |
| 1933 | 96 |
| 1934 | 65 |
| 1935 | 47 |
| 1936 | 41 |
| 1937 | 50 |
| 1938 | 47 |
| 1939 | 33 |
| 1940 | 41 |
| 1941 | 24 |
| 1942 | 49 |
| 1943 | 39 |
| 1944 | 33 |
| 1945 | 21 |
| 1946 | 22 |
| 1948 | 34 |
| 1949 | 23 |
| 1950 | 28 |
| 1951 | 28 |
| 1952 | 22 |
| 1953 | 22 |
| 1954 | 30 |
| 1955 | 20 |
| 1956 | 12 |
| 1958 | 10 |
| 1961 | 15 |
| 1980 | 21 |
| 1981 | 15 |
| 2004 | 5 |
| 2005 | 10 |
| 2011 | 5 |
| 2012 | 5 |
| 2013 | 5 |
| 2021 | 5 |
| 2022 | 21 |
| 2023 | 6 |