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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1898 | 1 |
| 1902 | 1 |
| 1905 | 1 |
| 1914 | 2 |
| 1920 | 1 |
| 1922 | 4 |
| 1923 | 4 |
| 1924 | 1 |
| 1928 | 1 |
| 1929 | 3 |
| 1930 | 3 |
| 1931 | 3 |
| 1932 | 1 |
| 1933 | 5 |
| 1935 | 1 |
| 1939 | 1 |
| 1940 | 2 |
| 1944 | 1 |
| 1946 | 4 |
| 1947 | 11 |
| 1948 | 1 |
| 1949 | 6 |
| 1950 | 5 |
| 1951 | 9 |
| 1952 | 1 |
| 1953 | 10 |
| 1954 | 8 |
| 1955 | 15 |
| 1956 | 18 |
| 1957 | 12 |
| 1958 | 8 |
| 1959 | 14 |
| 1960 | 11 |
| 1961 | 13 |
| 1962 | 27 |
| 1963 | 61 |
| 1964 | 92 |
| 1965 | 90 |
| 1966 | 66 |
| 1967 | 47 |
| 1968 | 78 |
| 1969 | 78 |
| 1970 | 100 |
| 1971 | 102 |
| 1972 | 107 |
| 1973 | 89 |
| 1974 | 108 |
| 1975 | 142 |
| 1976 | 116 |
| 1977 | 164 |
| 1978 | 149 |
| 1979 | 152 |
| 1980 | 119 |
| 1981 | 132 |
| 1982 | 122 |
| 1983 | 141 |
| 1984 | 190 |
| 1985 | 227 |
| 1986 | 191 |
| 1987 | 239 |
| 1988 | 213 |
| 1989 | 203 |
| 1990 | 207 |
| 1991 | 223 |
| 1992 | 224 |
| 1993 | 210 |
| 1994 | 175 |
| 1995 | 160 |
| 1996 | 149 |
| 1997 | 156 |
| 1998 | 134 |
| 1999 | 127 |
| 2000 | 117 |
| 2001 | 101 |
| 2002 | 118 |
| 2003 | 115 |
| 2004 | 107 |
| 2005 | 77 |
| 2006 | 77 |
| 2007 | 82 |
| 2008 | 78 |
| 2009 | 67 |
| 2010 | 60 |
| 2011 | 63 |
| 2012 | 59 |
| 2013 | 55 |
| 2014 | 48 |
| 2015 | 52 |
| 2016 | 38 |
| 2017 | 41 |
| 2018 | 31 |
| 2019 | 43 |
| 2020 | 52 |
| 2021 | 26 |
| 2022 | 26 |
| 2023 | 31 |
| 2024 | 19 |