← All namesDerek
Raw counts
| Year | Count |
|---|
| 1936 | 9 |
| 1939 | 6 |
| 1940 | 9 |
| 1942 | 12 |
| 1943 | 27 |
| 1944 | 5 |
| 1946 | 10 |
| 1947 | 13 |
| 1948 | 26 |
| 1949 | 72 |
| 1950 | 179 |
| 1951 | 260 |
| 1952 | 364 |
| 1953 | 373 |
| 1954 | 439 |
| 1955 | 592 |
| 1956 | 723 |
| 1957 | 796 |
| 1958 | 1,068 |
| 1959 | 1,086 |
| 1960 | 1,145 |
| 1961 | 1,567 |
| 1962 | 1,814 |
| 1963 | 1,914 |
| 1964 | 1,719 |
| 1965 | 2,046 |
| 1966 | 2,370 |
| 1967 | 2,701 |
| 1968 | 2,773 |
| 1969 | 3,394 |
| 1970 | 4,609 |
| 1971 | 5,217 |
| 1972 | 4,680 |
| 1973 | 4,436 |
| 1974 | 4,190 |
| 1975 | 3,657 |
| 1976 | 3,652 |
| 1977 | 4,584 |
| 1978 | 4,750 |
| 1979 | 5,124 |
| 1980 | 9,144 |
| 1981 | 7,284 |
| 1982 | 5 |
| 1982 | 7,854 |
| 1983 | 7 |
| 1983 | 8,198 |
| 1984 | 7,669 |
| 1985 | 7,044 |
| 1986 | 8,552 |
| 1987 | 24 |
| 1987 | 9,207 |
| 1988 | 9,009 |
| 1989 | 9,269 |
| 1990 | 8,848 |
| 1991 | 7,578 |
| 1992 | 7,245 |
| 1993 | 6,772 |
| 1994 | 5,870 |
| 1995 | 5,230 |
| 1996 | 4,381 |
| 1997 | 4,002 |
| 1998 | 3,667 |
| 1999 | 3,480 |
| 2000 | 3,384 |
| 2001 | 3,125 |
| 2002 | 2,693 |
| 2003 | 2,838 |
| 2004 | 2,597 |
| 2005 | 2,618 |
| 2006 | 2,835 |
| 2007 | 2,926 |
| 2008 | 2,503 |
| 2009 | 2,318 |
| 2010 | 2,330 |
| 2011 | 2,123 |
| 2012 | 2,370 |
| 2013 | 2,020 |
| 2014 | 1,920 |
| 2015 | 2,242 |
| 2016 | 2,190 |
| 2017 | 1,755 |
| 2018 | 1,557 |
| 2019 | 1,257 |
| 2020 | 986 |
| 2021 | 1,160 |
| 2022 | 1,218 |
| 2023 | 1,339 |
| 2024 | 1,454 |