← All namesOpal
Raw counts
| Year | Count |
|---|
| 1910 | 1,616 |
| 1911 | 1,809 |
| 1911 | 5 |
| 1912 | 2,236 |
| 1913 | 2,491 |
| 1913 | 14 |
| 1914 | 2,890 |
| 1914 | 5 |
| 1915 | 3,763 |
| 1916 | 4,054 |
| 1916 | 5 |
| 1917 | 3,848 |
| 1917 | 9 |
| 1918 | 4,331 |
| 1918 | 11 |
| 1919 | 3,748 |
| 1919 | 18 |
| 1920 | 3,812 |
| 1921 | 3,841 |
| 1921 | 6 |
| 1922 | 3,460 |
| 1922 | 29 |
| 1923 | 2,965 |
| 1923 | 10 |
| 1924 | 2,735 |
| 1924 | 6 |
| 1925 | 2,881 |
| 1926 | 2,723 |
| 1926 | 5 |
| 1927 | 2,449 |
| 1927 | 6 |
| 1928 | 2,393 |
| 1928 | 11 |
| 1929 | 2,107 |
| 1930 | 1,878 |
| 1931 | 1,550 |
| 1932 | 1,498 |
| 1933 | 1,297 |
| 1934 | 1,143 |
| 1935 | 1,153 |
| 1936 | 908 |
| 1937 | 780 |
| 1938 | 722 |
| 1939 | 621 |
| 1940 | 544 |
| 1941 | 490 |
| 1942 | 495 |
| 1943 | 601 |
| 1944 | 432 |
| 1945 | 346 |
| 1946 | 351 |
| 1947 | 409 |
| 1948 | 285 |
| 1949 | 307 |
| 1950 | 244 |
| 1951 | 234 |
| 1952 | 246 |
| 1953 | 213 |
| 1954 | 168 |
| 1955 | 186 |
| 1956 | 149 |
| 1957 | 158 |
| 1958 | 83 |
| 1959 | 97 |
| 1960 | 87 |
| 1961 | 77 |
| 1962 | 86 |
| 1963 | 50 |
| 1964 | 37 |
| 1965 | 45 |
| 1966 | 37 |
| 1967 | 32 |
| 1968 | 36 |
| 1969 | 25 |
| 1970 | 15 |
| 1971 | 35 |
| 1972 | 13 |
| 1973 | 10 |
| 1974 | 17 |
| 1975 | 25 |
| 1976 | 41 |
| 1977 | 15 |
| 1978 | 18 |
| 1979 | 39 |
| 1980 | 10 |
| 1981 | 23 |
| 1982 | 12 |
| 1983 | 10 |
| 1984 | 5 |
| 1985 | 5 |
| 1986 | 7 |
| 1987 | 12 |
| 1989 | 12 |
| 1990 | 5 |
| 1997 | 6 |
| 2005 | 5 |
| 2006 | 19 |
| 2007 | 35 |
| 2008 | 18 |
| 2009 | 20 |
| 2010 | 33 |
| 2011 | 54 |
| 2012 | 38 |
| 2013 | 53 |
| 2014 | 126 |
| 2015 | 239 |
| 2016 | 265 |
| 2017 | 289 |
| 2018 | 309 |
| 2019 | 457 |
| 2020 | 453 |
| 2021 | 590 |
| 2022 | 649 |
| 2023 | 786 |
| 2024 | 807 |