| Year | Count |
|---|---|
| 1910 | 158 |
| 1911 | 145 |
| 1912 | 152 |
| 1913 | 173 |
| 1914 | 173 |
| 1915 | 194 |
| 1916 | 176 |
| 1917 | 164 |
| 1918 | 201 |
| 1919 | 157 |
| 1920 | 128 |
| 1921 | 100 |
| 1922 | 123 |
| 1923 | 143 |
| 1924 | 95 |
| 1925 | 123 |
| 1926 | 128 |
| 1927 | 90 |
| 1928 | 55 |
| 1929 | 53 |
| 1930 | 72 |
| 1931 | 20 |
| 1932 | 27 |
| 1933 | 5 |
| 1934 | 5 |
| 1935 | 7 |
| 1936 | 5 |
| 1937 | 5 |
| 1938 | 10 |
| 1941 | 6 |
| 1945 | 5 |
| 1951 | 5 |