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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1957 | 6 |
| 1958 | 4 |
| 1959 | 10 |
| 1960 | 3 |
| 1961 | 5 |
| 1962 | 3 |
| 1965 | 11 |
| 1966 | 27 |
| 1967 | 43 |
| 1968 | 50 |
| 1969 | 63 |
| 1970 | 53 |
| 1971 | 83 |
| 1972 | 60 |
| 1973 | 78 |
| 1974 | 72 |
| 1975 | 91 |
| 1976 | 60 |
| 1977 | 75 |
| 1978 | 61 |
| 1979 | 74 |
| 1980 | 74 |
| 1981 | 71 |
| 1982 | 80 |
| 1983 | 67 |
| 1984 | 76 |
| 1985 | 91 |
| 1986 | 112 |
| 1987 | 81 |
| 1988 | 95 |
| 1989 | 113 |
| 1990 | 101 |
| 1991 | 114 |
| 1992 | 150 |
| 1993 | 144 |
| 1994 | 193 |
| 1995 | 176 |
| 1996 | 179 |
| 1997 | 206 |
| 1998 | 201 |
| 1999 | 188 |
| 2000 | 216 |
| 2001 | 235 |
| 2002 | 273 |
| 2003 | 283 |
| 2004 | 295 |
| 2005 | 367 |
| 2006 | 416 |
| 2007 | 403 |
| 2008 | 443 |
| 2009 | 469 |
| 2010 | 495 |
| 2011 | 534 |
| 2012 | 634 |
| 2013 | 626 |
| 2014 | 613 |
| 2015 | 635 |
| 2016 | 628 |
| 2017 | 574 |
| 2018 | 625 |
| 2019 | 574 |
| 2020 | 417 |
| 2021 | 265 |
| 2022 | 183 |
| 2023 | 183 |
| 2024 | 66 |