| Year | Count |
|---|---|
| 1910 | 189 |
| 1911 | 202 |
| 1912 | 294 |
| 1913 | 312 |
| 1914 | 438 |
| 1915 | 560 |
| 1916 | 538 |
| 1917 | 518 |
| 1918 | 418 |
| 1919 | 452 |
| 1920 | 370 |
| 1921 | 246 |
| 1922 | 309 |
| 1923 | 276 |
| 1924 | 326 |
| 1925 | 281 |
| 1926 | 209 |
| 1927 | 173 |
| 1928 | 200 |
| 1929 | 196 |
| 1930 | 118 |
| 1931 | 136 |
| 1932 | 137 |
| 1933 | 116 |
| 1934 | 43 |
| 1935 | 74 |
| 1936 | 66 |
| 1937 | 38 |
| 1938 | 59 |
| 1939 | 28 |
| 1940 | 23 |
| 1941 | 6 |
| 1942 | 30 |
| 1943 | 12 |
| 1944 | 13 |
| 1946 | 10 |
| 1947 | 5 |
| 1948 | 10 |
| 1949 | 8 |
| 1950 | 5 |
| 1953 | 5 |
| 1959 | 10 |
| 2006 | 10 |
| 2009 | 10 |
| 2015 | 35 |
| 2017 | 11 |
| 2018 | 32 |
| 2019 | 46 |
| 2020 | 50 |
| 2021 | 51 |
| 2022 | 111 |
| 2023 | 132 |
| 2024 | 180 |