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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1874 | 1 |
| 1884 | 1 |
| 1900 | 1 |
| 1902 | 1 |
| 1904 | 1 |
| 1934 | 1 |
| 1945 | 1 |
| 1947 | 6 |
| 1948 | 4 |
| 1949 | 5 |
| 1950 | 2 |
| 1951 | 5 |
| 1952 | 5 |
| 1953 | 7 |
| 1954 | 6 |
| 1955 | 17 |
| 1956 | 6 |
| 1957 | 5 |
| 1958 | 8 |
| 1959 | 15 |
| 1960 | 9 |
| 1961 | 10 |
| 1962 | 20 |
| 1963 | 11 |
| 1964 | 19 |
| 1965 | 15 |
| 1966 | 12 |
| 1967 | 19 |
| 1968 | 21 |
| 1969 | 22 |
| 1970 | 11 |
| 1971 | 9 |
| 1972 | 10 |
| 1973 | 14 |
| 1974 | 15 |
| 1975 | 19 |
| 1976 | 16 |
| 1977 | 27 |
| 1978 | 35 |
| 1979 | 24 |
| 1980 | 32 |
| 1981 | 35 |
| 1982 | 38 |
| 1983 | 45 |
| 1984 | 45 |
| 1985 | 35 |
| 1986 | 48 |
| 1987 | 43 |
| 1988 | 61 |
| 1989 | 91 |
| 1990 | 67 |
| 1991 | 77 |
| 1992 | 83 |
| 1993 | 82 |
| 1994 | 79 |
| 1995 | 112 |
| 1996 | 98 |
| 1997 | 104 |
| 1998 | 112 |
| 1999 | 112 |
| 2000 | 96 |
| 2001 | 113 |
| 2002 | 101 |
| 2003 | 130 |
| 2004 | 128 |
| 2005 | 146 |
| 2006 | 165 |
| 2007 | 198 |
| 2008 | 204 |
| 2009 | 235 |
| 2010 | 241 |
| 2011 | 274 |
| 2012 | 285 |
| 2013 | 288 |
| 2014 | 333 |
| 2015 | 348 |
| 2016 | 318 |
| 2017 | 315 |
| 2018 | 372 |
| 2019 | 360 |
| 2020 | 449 |
| 2021 | 479 |
| 2022 | 481 |
| 2023 | 464 |
| 2024 | 436 |
| 2025 | 55 |