← All namesBertha
Raw counts
| Year | Count |
|---|
| 1910 | 3,884 |
| 1911 | 3,785 |
| 1912 | 4,277 |
| 1913 | 4,359 |
| 1914 | 5,021 |
| 1915 | 6,218 |
| 1916 | 6,455 |
| 1917 | 6,352 |
| 1918 | 6,664 |
| 1919 | 6,036 |
| 1920 | 5,747 |
| 1921 | 5,876 |
| 1922 | 5,019 |
| 1923 | 5,116 |
| 1924 | 4,911 |
| 1924 | 15 |
| 1925 | 5,262 |
| 1925 | 5 |
| 1926 | 5,079 |
| 1927 | 4,978 |
| 1928 | 4,931 |
| 1929 | 4,204 |
| 1930 | 3,904 |
| 1931 | 3,540 |
| 1932 | 3,642 |
| 1933 | 3,171 |
| 1934 | 2,882 |
| 1935 | 3,186 |
| 1936 | 2,642 |
| 1937 | 2,652 |
| 1938 | 2,464 |
| 1939 | 2,086 |
| 1939 | 5 |
| 1940 | 2,249 |
| 1940 | 5 |
| 1941 | 1,836 |
| 1942 | 1,890 |
| 1943 | 2,370 |
| 1944 | 1,622 |
| 1945 | 1,421 |
| 1946 | 1,530 |
| 1947 | 1,591 |
| 1948 | 1,518 |
| 1949 | 1,484 |
| 1950 | 1,607 |
| 1951 | 1,553 |
| 1952 | 1,456 |
| 1953 | 1,390 |
| 1954 | 1,286 |
| 1955 | 1,275 |
| 1956 | 1,045 |
| 1957 | 1,101 |
| 1958 | 1,054 |
| 1959 | 975 |
| 1960 | 942 |
| 1961 | 803 |
| 1962 | 1,018 |
| 1963 | 471 |
| 1964 | 594 |
| 1965 | 482 |
| 1966 | 443 |
| 1967 | 344 |
| 1968 | 388 |
| 1969 | 381 |
| 1970 | 313 |
| 1971 | 320 |
| 1972 | 237 |
| 1973 | 254 |
| 1974 | 197 |
| 1975 | 171 |
| 1976 | 118 |
| 1977 | 150 |
| 1978 | 138 |
| 1979 | 107 |
| 1980 | 127 |
| 1981 | 112 |
| 1982 | 87 |
| 1983 | 105 |
| 1984 | 77 |
| 1985 | 147 |
| 1986 | 84 |
| 1987 | 92 |
| 1988 | 102 |
| 1989 | 40 |
| 1990 | 40 |
| 1991 | 41 |
| 1992 | 30 |
| 1993 | 45 |
| 1994 | 28 |
| 1995 | 29 |
| 1996 | 52 |
| 1997 | 49 |
| 1998 | 26 |
| 1999 | 30 |
| 2000 | 5 |
| 2001 | 42 |
| 2003 | 10 |
| 2004 | 40 |
| 2005 | 28 |
| 2006 | 14 |
| 2007 | 15 |
| 2008 | 9 |
| 2010 | 9 |
| 2011 | 9 |
| 2012 | 14 |
| 2014 | 6 |
| 2015 | 12 |
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 5 |
| 2020 | 6 |
| 2022 | 7 |
| 2024 | 10 |