| Années | Nombres d'actes |
|---|---|
| Improbable | 1 |
| 1862 | 23 |
| 1863 | 19 |
| 1864 | 25 |
| 1865 | 29 |
| 1866 | 31 |
| 1867 | 21 |
| 1868 | 47 |
| 1869 | 24 |
| 1870 | 28 |
| 1871 | 47 |
| 1872 | 28 |
| 1873 | 33 |
| 1874 | 24 |
| 1875 | 32 |
| 1876 | 20 |
| 1877 | 33 |
| 1878 | 27 |
| 1879 | 32 |
| 1880 | 20 |
| 1881 | 18 |
| 1882 | 29 |
| 1883 | 25 |
| 1884 | 26 |
| 1885 | 21 |
| 1886 | 21 |
| 1887 | 32 |
| 1888 | 25 |
| 1889 | 22 |
| 1890 | 27 |
| 1891 | 22 |
| 1892 | 32 |
| 1893 | 22 |
| 1894 | 15 |
| 1895 | 23 |
| 1896 | 21 |
| 1897 | 12 |
| 1898 | 18 |
| 1899 | 16 |
| 1900 | 21 |
| 1901 | 11 |
| 1902 | 18 |
| 1903 | 17 |
| 1904 | 19 |
| 1905 | 11 |
| 1906 | 17 |
| 1907 | 22 |
| 1908 | 13 |