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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 5 |
| 1962 | 22 |
| 1963 | 15 |
| 1964 | 21 |
| 1965 | 21 |
| 1966 | 14 |
| 1967 | 13 |
| 1968 | 6 |
| 1969 | 27 |
| 1970 | 17 |
| 1971 | 28 |
| 1972 | 24 |
| 1973 | 28 |
| 1974 | 23 |
| 1975 | 29 |
| 1976 | 46 |
| 1977 | 33 |
| 1978 | 28 |
| 1979 | 34 |
| 1980 | 39 |
| 1981 | 20 |
| 1982 | 25 |
| 1983 | 27 |
| 1984 | 24 |
| 1985 | 22 |
| 1986 | 26 |
| 1987 | 28 |
| 1988 | 25 |
| 1989 | 29 |
| 1990 | 43 |
| 1991 | 31 |
| 1992 | 28 |
| 1993 | 31 |
| 1994 | 26 |
| 1995 | 34 |
| 1996 | 40 |
| 1997 | 49 |
| 1998 | 69 |
| 1999 | 34 |
| 2000 | 35 |
| 2001 | 39 |
| 2002 | 43 |
| 2003 | 51 |
| 2004 | 108 |
| 2005 | 87 |
| 2006 | 66 |
| 2007 | 70 |
| 2008 | 90 |
| 2009 | 110 |
| 2010 | 110 |
| 2011 | 176 |
| 2012 | 267 |
| 2013 | 315 |
| 2014 | 299 |
| 2015 | 433 |
| 2016 | 437 |
| 2017 | 447 |
| 2018 | 511 |
| 2019 | 545 |
| 2020 | 523 |
| 2021 | 500 |
| 2022 | 445 |
| 2023 | 328 |
| 2024 | 145 |