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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 54 |
| 1957 | 135 |
| 1958 | 134 |
| 1959 | 119 |
| 1960 | 126 |
| 1961 | 149 |
| 1962 | 96 |
| 1963 | 1 |
| 1964 | 21 |
| 1965 | 188 |
| 1966 | 360 |
| 1967 | 442 |
| 1968 | 431 |
| 1969 | 452 |
| 1970 | 382 |
| 1971 | 394 |
| 1972 | 378 |
| 1973 | 403 |
| 1974 | 395 |
| 1975 | 374 |
| 1976 | 325 |
| 1977 | 314 |
| 1978 | 246 |
| 1979 | 263 |
| 1980 | 192 |
| 1981 | 207 |
| 1982 | 178 |
| 1983 | 173 |
| 1984 | 179 |
| 1985 | 194 |
| 1986 | 180 |
| 1987 | 161 |
| 1988 | 150 |
| 1989 | 143 |
| 1990 | 107 |
| 1991 | 130 |
| 1992 | 109 |
| 1993 | 118 |
| 1994 | 98 |
| 1995 | 89 |
| 1996 | 71 |
| 1997 | 67 |
| 1998 | 61 |
| 1999 | 60 |
| 2000 | 50 |
| 2001 | 43 |
| 2002 | 49 |
| 2003 | 35 |
| 2004 | 35 |
| 2005 | 38 |
| 2006 | 35 |
| 2007 | 36 |
| 2008 | 34 |
| 2009 | 29 |
| 2010 | 27 |
| 2011 | 21 |
| 2012 | 20 |
| 2013 | 20 |
| 2014 | 15 |
| 2015 | 22 |
| 2016 | 14 |
| 2017 | 14 |
| 2018 | 12 |
| 2019 | 22 |
| 2020 | 11 |
| 2021 | 14 |
| 2022 | 8 |
| 2023 | 21 |
| 2024 | 4 |