← All namesPortia
Raw counts
| Year | Count |
|---|
| 1914 | 5 |
| 1915 | 10 |
| 1917 | 5 |
| 1918 | 5 |
| 1919 | 5 |
| 1920 | 5 |
| 1923 | 15 |
| 1926 | 15 |
| 1927 | 22 |
| 1928 | 8 |
| 1929 | 18 |
| 1932 | 20 |
| 1935 | 10 |
| 1940 | 6 |
| 1941 | 60 |
| 1942 | 122 |
| 1943 | 157 |
| 1944 | 56 |
| 1945 | 71 |
| 1946 | 124 |
| 1947 | 144 |
| 1948 | 170 |
| 1949 | 216 |
| 1950 | 190 |
| 1951 | 284 |
| 1952 | 172 |
| 1953 | 162 |
| 1954 | 189 |
| 1955 | 170 |
| 1956 | 113 |
| 1957 | 134 |
| 1958 | 107 |
| 1959 | 111 |
| 1960 | 157 |
| 1961 | 190 |
| 1962 | 86 |
| 1963 | 120 |
| 1964 | 120 |
| 1965 | 125 |
| 1966 | 96 |
| 1967 | 122 |
| 1968 | 85 |
| 1969 | 97 |
| 1970 | 101 |
| 1971 | 116 |
| 1972 | 77 |
| 1973 | 96 |
| 1974 | 58 |
| 1975 | 44 |
| 1976 | 59 |
| 1977 | 62 |
| 1978 | 93 |
| 1979 | 77 |
| 1980 | 114 |
| 1981 | 99 |
| 1982 | 85 |
| 1983 | 101 |
| 1984 | 153 |
| 1985 | 183 |
| 1986 | 246 |
| 1987 | 236 |
| 1988 | 284 |
| 1989 | 303 |
| 1989 | 8 |
| 1990 | 280 |
| 1991 | 221 |
| 1992 | 168 |
| 1993 | 105 |
| 1994 | 46 |
| 1995 | 36 |
| 1996 | 22 |
| 1997 | 22 |
| 1998 | 5 |
| 1999 | 6 |
| 2000 | 15 |
| 2001 | 23 |
| 2002 | 12 |
| 2004 | 15 |
| 2005 | 5 |
| 2007 | 6 |
| 2008 | 5 |
| 2009 | 7 |
| 2010 | 10 |
| 2011 | 17 |
| 2012 | 17 |
| 2013 | 5 |
| 2014 | 10 |
| 2015 | 5 |
| 2016 | 18 |