| Year | Count |
|---|---|
| 1917 | 5 |
| 1918 | 12 |
| 1920 | 23 |
| 1923 | 18 |
| 1924 | 14 |
| 1925 | 13 |
| 1926 | 28 |
| 1927 | 22 |
| 1928 | 7 |
| 1929 | 30 |
| 1930 | 42 |
| 1931 | 21 |
| 1932 | 35 |
| 1933 | 13 |
| 1934 | 45 |
| 1935 | 18 |
| 1936 | 20 |
| 1937 | 11 |
| 1938 | 11 |
| 1939 | 15 |
| 1940 | 19 |
| 1941 | 13 |
| 1942 | 12 |
| 1943 | 16 |
| 1944 | 7 |
| 1945 | 5 |
| 1946 | 12 |
| 1947 | 6 |
| 1948 | 17 |
| 1950 | 22 |
| 1951 | 20 |
| 1954 | 5 |
| 1955 | 6 |
| 2020 | 5 |