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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1952 | 2 |
| 1954 | 2 |
| 1956 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 3 |
| 1968 | 8 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 3 |
| 1974 | 12 |
| 1975 | 63 |
| 1976 | 96 |
| 1977 | 89 |
| 1978 | 101 |
| 1979 | 94 |
| 1980 | 72 |
| 1981 | 105 |
| 1982 | 97 |
| 1983 | 90 |
| 1984 | 111 |
| 1985 | 138 |
| 1986 | 221 |
| 1987 | 286 |
| 1988 | 483 |
| 1989 | 682 |
| 1990 | 626 |
| 1991 | 1053 |
| 1992 | 1454 |
| 1993 | 2015 |
| 1994 | 2470 |
| 1995 | 2368 |
| 1996 | 2648 |
| 1997 | 3500 |
| 1998 | 4014 |
| 1999 | 5809 |
| 2000 | 6670 |
| 2001 | 8132 |
| 2002 | 9291 |
| 2003 | 11492 |
| 2004 | 12307 |
| 2005 | 13934 |
| 2006 | 13954 |
| 2007 | 16458 |
| 2008 | 17668 |
| 2009 | 17241 |
| 2010 | 18474 |
| 2011 | 18377 |
| 2012 | 19273 |
| 2013 | 19813 |
| 2014 | 19985 |
| 2015 | 19556 |
| 2016 | 19048 |
| 2017 | 19358 |
| 2018 | 18717 |
| 2019 | 18315 |
| 2020 | 18475 |
| 2021 | 14496 |
| 2022 | 6668 |
| 2023 | 5255 |
| 2024 | 12246 |
| 2025 | 9069 |