← All namesOliver
Raw counts
| Year | Count |
|---|
| 1910 | 333 |
| 1911 | 383 |
| 1912 | 750 |
| 1913 | 742 |
| 1914 | 998 |
| 1915 | 1,291 |
| 1916 | 1,352 |
| 1917 | 1,547 |
| 1918 | 1,589 |
| 1919 | 1,543 |
| 1920 | 1,486 |
| 1921 | 1,570 |
| 1922 | 1,563 |
| 1923 | 1,526 |
| 1924 | 1,486 |
| 1925 | 1,374 |
| 1926 | 1,404 |
| 1927 | 1,233 |
| 1928 | 1,212 |
| 1929 | 1,133 |
| 1930 | 1,145 |
| 1931 | 986 |
| 1932 | 918 |
| 1933 | 672 |
| 1934 | 916 |
| 1935 | 742 |
| 1936 | 712 |
| 1937 | 722 |
| 1938 | 655 |
| 1939 | 696 |
| 1940 | 718 |
| 1941 | 716 |
| 1942 | 719 |
| 1943 | 754 |
| 1944 | 653 |
| 1945 | 665 |
| 1946 | 694 |
| 1947 | 743 |
| 1948 | 815 |
| 1949 | 741 |
| 1950 | 694 |
| 1951 | 603 |
| 1952 | 623 |
| 1953 | 704 |
| 1954 | 580 |
| 1955 | 650 |
| 1956 | 569 |
| 1957 | 534 |
| 1958 | 552 |
| 1959 | 395 |
| 1960 | 392 |
| 1961 | 349 |
| 1962 | 357 |
| 1963 | 420 |
| 1964 | 427 |
| 1965 | 319 |
| 1966 | 355 |
| 1967 | 281 |
| 1968 | 298 |
| 1969 | 319 |
| 1970 | 341 |
| 1971 | 362 |
| 1972 | 332 |
| 1973 | 349 |
| 1974 | 310 |
| 1975 | 284 |
| 1976 | 340 |
| 1977 | 302 |
| 1978 | 428 |
| 1979 | 380 |
| 1980 | 308 |
| 1981 | 334 |
| 1982 | 415 |
| 1983 | 390 |
| 1984 | 317 |
| 1985 | 304 |
| 1986 | 246 |
| 1987 | 346 |
| 1988 | 354 |
| 1989 | 351 |
| 1990 | 492 |
| 1991 | 461 |
| 1992 | 631 |
| 1993 | 622 |
| 1994 | 573 |
| 1995 | 484 |
| 1996 | 545 |
| 1997 | 605 |
| 1998 | 677 |
| 1999 | 739 |
| 2000 | 916 |
| 2001 | 954 |
| 2002 | 1,120 |
| 2003 | 1,378 |
| 2004 | 1,441 |
| 2005 | 1,899 |
| 2006 | 2,477 |
| 2007 | 3,012 |
| 2008 | 3,852 |
| 2009 | 4,801 |
| 2010 | 4,965 |
| 2011 | 5,894 |
| 2012 | 6,908 |
| 2013 | 8,526 |
| 2014 | 10,656 |
| 2015 | 14,690 |
| 2016 | 16,774 |
| 2017 | 17,605 |
| 2018 | 17,075 |
| 2019 | 17,290 |
| 2020 | 14,211 |
| 2021 | 17,034 |
| 2022 | 17,043 |
| 2023 | 16,269 |
| 2024 | 16,501 |