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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1960 | 1 |
| 1962 | 3 |
| 1963 | 3 |
| 1964 | 1 |
| 1965 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 5 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 4 |
| 1979 | 4 |
| 1980 | 2 |
| 1981 | 6 |
| 1982 | 3 |
| 1983 | 5 |
| 1984 | 4 |
| 1985 | 6 |
| 1986 | 6 |
| 1987 | 13 |
| 1988 | 13 |
| 1989 | 11 |
| 1990 | 17 |
| 1991 | 29 |
| 1992 | 21 |
| 1993 | 19 |
| 1994 | 25 |
| 1995 | 21 |
| 1996 | 25 |
| 1997 | 29 |
| 1998 | 36 |
| 1999 | 45 |
| 2000 | 65 |
| 2001 | 95 |
| 2002 | 111 |
| 2003 | 145 |
| 2004 | 131 |
| 2005 | 190 |
| 2006 | 217 |
| 2007 | 262 |
| 2008 | 278 |
| 2009 | 332 |
| 2010 | 406 |
| 2011 | 454 |
| 2012 | 535 |
| 2013 | 591 |
| 2014 | 585 |
| 2015 | 631 |
| 2016 | 626 |
| 2017 | 673 |
| 2018 | 588 |
| 2019 | 648 |
| 2020 | 642 |
| 2021 | 738 |
| 2022 | 627 |
| 2023 | 547 |
| 2024 | 450 |