← All namesNorma
Raw counts
| Year | Count |
|---|
| 1910 | 587 |
| 1911 | 642 |
| 1912 | 1,005 |
| 1913 | 1,142 |
| 1914 | 1,493 |
| 1915 | 2,252 |
| 1916 | 2,500 |
| 1917 | 2,726 |
| 1918 | 3,453 |
| 1919 | 4,002 |
| 1920 | 5,001 |
| 1921 | 6,517 |
| 1922 | 6,347 |
| 1923 | 7,826 |
| 1924 | 9,132 |
| 1925 | 10,194 |
| 1926 | 11,003 |
| 1927 | 11,766 |
| 1928 | 12,370 |
| 1929 | 11,705 |
| 1929 | 5 |
| 1930 | 12,458 |
| 1930 | 12 |
| 1931 | 12,269 |
| 1932 | 11,764 |
| 1933 | 10,592 |
| 1933 | 5 |
| 1934 | 9,991 |
| 1935 | 9,227 |
| 1936 | 8,512 |
| 1937 | 7,957 |
| 1938 | 7,949 |
| 1939 | 6,855 |
| 1940 | 6,443 |
| 1941 | 5,478 |
| 1942 | 5,493 |
| 1943 | 6,136 |
| 1944 | 4,342 |
| 1945 | 4,020 |
| 1946 | 4,740 |
| 1947 | 4,987 |
| 1948 | 4,081 |
| 1949 | 3,734 |
| 1950 | 3,880 |
| 1951 | 4,171 |
| 1952 | 4,192 |
| 1953 | 3,912 |
| 1954 | 3,618 |
| 1955 | 3,310 |
| 1956 | 3,527 |
| 1956 | 14 |
| 1957 | 3,628 |
| 1958 | 3,266 |
| 1958 | 10 |
| 1959 | 3,231 |
| 1959 | 12 |
| 1960 | 3,014 |
| 1961 | 2,985 |
| 1962 | 4,396 |
| 1963 | 1,980 |
| 1964 | 2,098 |
| 1965 | 1,636 |
| 1965 | 10 |
| 1966 | 1,533 |
| 1967 | 1,518 |
| 1968 | 1,544 |
| 1969 | 1,590 |
| 1970 | 1,419 |
| 1971 | 1,286 |
| 1972 | 1,037 |
| 1973 | 868 |
| 1974 | 849 |
| 1975 | 815 |
| 1975 | 5 |
| 1976 | 653 |
| 1977 | 636 |
| 1978 | 596 |
| 1978 | 5 |
| 1979 | 599 |
| 1980 | 589 |
| 1981 | 519 |
| 1982 | 497 |
| 1982 | 5 |
| 1983 | 323 |
| 1984 | 316 |
| 1985 | 334 |
| 1986 | 396 |
| 1986 | 5 |
| 1987 | 409 |
| 1987 | 5 |
| 1988 | 353 |
| 1989 | 483 |
| 1990 | 178 |
| 1991 | 270 |
| 1992 | 176 |
| 1993 | 191 |
| 1994 | 214 |
| 1995 | 206 |
| 1996 | 227 |
| 1997 | 234 |
| 1998 | 196 |
| 1999 | 93 |
| 2000 | 100 |
| 2001 | 107 |
| 2002 | 94 |
| 2003 | 87 |
| 2004 | 163 |
| 2005 | 170 |
| 2006 | 146 |
| 2007 | 75 |
| 2008 | 113 |
| 2009 | 32 |
| 2011 | 36 |
| 2013 | 27 |
| 2014 | 33 |
| 2015 | 14 |
| 2016 | 66 |
| 2017 | 16 |
| 2018 | 27 |
| 2019 | 16 |
| 2020 | 21 |
| 2021 | 47 |
| 2022 | 44 |
| 2023 | 47 |
| 2024 | 9 |