← All namesTreva
Raw counts
| Year | Count |
|---|
| 1910 | 9 |
| 1911 | 17 |
| 1912 | 31 |
| 1913 | 20 |
| 1914 | 62 |
| 1915 | 104 |
| 1916 | 96 |
| 1917 | 138 |
| 1918 | 86 |
| 1919 | 144 |
| 1920 | 147 |
| 1921 | 122 |
| 1922 | 119 |
| 1923 | 111 |
| 1924 | 125 |
| 1925 | 141 |
| 1926 | 159 |
| 1927 | 193 |
| 1928 | 133 |
| 1929 | 126 |
| 1930 | 167 |
| 1931 | 125 |
| 1932 | 130 |
| 1933 | 118 |
| 1934 | 161 |
| 1935 | 169 |
| 1936 | 101 |
| 1937 | 162 |
| 1938 | 190 |
| 1939 | 161 |
| 1940 | 125 |
| 1941 | 119 |
| 1942 | 135 |
| 1943 | 97 |
| 1944 | 112 |
| 1945 | 65 |
| 1946 | 99 |
| 1947 | 124 |
| 1948 | 92 |
| 1949 | 111 |
| 1950 | 125 |
| 1951 | 126 |
| 1952 | 151 |
| 1953 | 118 |
| 1954 | 90 |
| 1955 | 105 |
| 1956 | 118 |
| 1957 | 122 |
| 1958 | 129 |
| 1959 | 121 |
| 1960 | 205 |
| 1961 | 171 |
| 1962 | 163 |
| 1963 | 104 |
| 1964 | 143 |
| 1965 | 83 |
| 1966 | 107 |
| 1967 | 134 |
| 1968 | 118 |
| 1969 | 123 |
| 1970 | 123 |
| 1971 | 141 |
| 1972 | 86 |
| 1973 | 74 |
| 1974 | 75 |
| 1975 | 54 |
| 1976 | 35 |
| 1977 | 28 |
| 1978 | 42 |
| 1979 | 43 |
| 1980 | 33 |
| 1981 | 16 |
| 1982 | 6 |
| 1983 | 15 |
| 1984 | 33 |
| 1986 | 10 |
| 1988 | 10 |