| Year | Count |
|---|---|
| 1911 | 9 |
| 1912 | 40 |
| 1913 | 47 |
| 1914 | 56 |
| 1915 | 64 |
| 1916 | 72 |
| 1917 | 81 |
| 1918 | 58 |
| 1919 | 63 |
| 1920 | 34 |
| 1921 | 55 |
| 1922 | 22 |
| 1923 | 24 |
| 1924 | 42 |
| 1925 | 22 |
| 1926 | 54 |
| 1927 | 31 |
| 1928 | 21 |
| 1929 | 32 |
| 1930 | 35 |
| 1931 | 27 |
| 1932 | 5 |
| 1933 | 12 |
| 1934 | 16 |
| 1935 | 6 |
| 1936 | 5 |
| 1937 | 15 |
| 1938 | 10 |
| 1939 | 15 |
| 1940 | 21 |
| 1941 | 5 |
| 1942 | 6 |
| 1944 | 6 |
| 1946 | 11 |
| 1947 | 11 |
| 1949 | 6 |
| 1950 | 10 |
| 1951 | 6 |
| 1954 | 5 |
| 1956 | 12 |
| 1963 | 5 |
| 1978 | 5 |
| 2001 | 5 |
| 2006 | 12 |
| 2009 | 10 |
| 2011 | 7 |
| 2012 | 5 |
| 2018 | 10 |
| 2019 | 12 |
| 2023 | 5 |