← All namesBoris
Raw counts
| Year | Count |
|---|
| 1912 | 7 |
| 1913 | 6 |
| 1915 | 19 |
| 1916 | 14 |
| 1917 | 23 |
| 1918 | 24 |
| 1919 | 9 |
| 1920 | 8 |
| 1921 | 32 |
| 1922 | 15 |
| 1923 | 38 |
| 1924 | 16 |
| 1925 | 26 |
| 1926 | 12 |
| 1927 | 10 |
| 1928 | 12 |
| 1929 | 18 |
| 1930 | 11 |
| 1931 | 20 |
| 1932 | 13 |
| 1933 | 6 |
| 1934 | 13 |
| 1935 | 6 |
| 1937 | 5 |
| 1955 | 10 |
| 1958 | 11 |
| 1959 | 24 |
| 1961 | 21 |
| 1962 | 49 |
| 1963 | 37 |
| 1964 | 24 |
| 1965 | 21 |
| 1966 | 34 |
| 1967 | 38 |
| 1968 | 25 |
| 1969 | 28 |
| 1970 | 35 |
| 1971 | 29 |
| 1972 | 40 |
| 1973 | 10 |
| 1974 | 11 |
| 1975 | 5 |
| 1976 | 19 |
| 1977 | 5 |
| 1978 | 7 |
| 1980 | 8 |
| 1981 | 5 |
| 1982 | 6 |
| 1983 | 8 |
| 1984 | 17 |
| 1985 | 9 |
| 1986 | 10 |
| 1987 | 27 |
| 1989 | 10 |
| 1990 | 7 |
| 1991 | 18 |
| 1992 | 13 |
| 1993 | 25 |
| 1994 | 12 |
| 1995 | 24 |
| 1996 | 21 |
| 1997 | 7 |
| 1998 | 17 |
| 1999 | 14 |
| 2000 | 25 |
| 2001 | 8 |
| 2002 | 23 |
| 2003 | 15 |
| 2004 | 29 |
| 2005 | 23 |
| 2006 | 23 |
| 2007 | 12 |
| 2008 | 24 |
| 2009 | 12 |
| 2010 | 16 |
| 2011 | 37 |
| 2012 | 10 |
| 2013 | 43 |
| 2014 | 16 |
| 2015 | 20 |
| 2016 | 24 |
| 2017 | 28 |
| 2018 | 42 |
| 2019 | 28 |
| 2020 | 5 |
| 2021 | 19 |
| 2022 | 10 |
| 2023 | 6 |