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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1887 | 1 |
| 1891 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1894 | 1 |
| 1921 | 1 |
| 1930 | 1 |
| 1932 | 1 |
| 1935 | 2 |
| 1936 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1940 | 1 |
| 1943 | 3 |
| 1944 | 2 |
| 1946 | 3 |
| 1947 | 7 |
| 1948 | 11 |
| 1950 | 7 |
| 1951 | 6 |
| 1952 | 3 |
| 1953 | 4 |
| 1954 | 4 |
| 1955 | 5 |
| 1956 | 9 |
| 1957 | 6 |
| 1958 | 6 |
| 1959 | 11 |
| 1960 | 8 |
| 1961 | 13 |
| 1962 | 7 |
| 1963 | 18 |
| 1964 | 26 |
| 1965 | 22 |
| 1966 | 17 |
| 1967 | 22 |
| 1968 | 22 |
| 1969 | 43 |
| 1970 | 42 |
| 1971 | 37 |
| 1972 | 31 |
| 1973 | 45 |
| 1974 | 49 |
| 1975 | 36 |
| 1976 | 39 |
| 1977 | 41 |
| 1978 | 48 |
| 1979 | 48 |
| 1980 | 69 |
| 1981 | 69 |
| 1982 | 71 |
| 1983 | 94 |
| 1984 | 105 |
| 1985 | 86 |
| 1986 | 85 |
| 1987 | 98 |
| 1988 | 91 |
| 1989 | 87 |
| 1990 | 122 |
| 1991 | 136 |
| 1992 | 111 |
| 1993 | 126 |
| 1994 | 127 |
| 1995 | 145 |
| 1996 | 152 |
| 1997 | 148 |
| 1998 | 159 |
| 1999 | 146 |
| 2000 | 177 |
| 2001 | 150 |
| 2002 | 159 |
| 2003 | 176 |
| 2004 | 199 |
| 2005 | 233 |
| 2006 | 232 |
| 2007 | 235 |
| 2008 | 223 |
| 2009 | 251 |
| 2010 | 208 |
| 2011 | 253 |
| 2012 | 289 |
| 2013 | 284 |
| 2014 | 284 |
| 2015 | 307 |
| 2016 | 297 |
| 2017 | 308 |
| 2018 | 333 |
| 2019 | 316 |
| 2020 | 365 |
| 2021 | 400 |
| 2022 | 338 |
| 2023 | 302 |
| 2024 | 309 |
| 2025 | 2 |