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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 5 |
| 1966 | 13 |
| 1967 | 29 |
| 1968 | 32 |
| 1969 | 50 |
| 1970 | 50 |
| 1971 | 32 |
| 1972 | 45 |
| 1973 | 64 |
| 1974 | 69 |
| 1975 | 75 |
| 1976 | 63 |
| 1977 | 70 |
| 1978 | 60 |
| 1979 | 77 |
| 1980 | 81 |
| 1981 | 73 |
| 1982 | 56 |
| 1983 | 67 |
| 1984 | 83 |
| 1985 | 100 |
| 1986 | 84 |
| 1987 | 84 |
| 1988 | 116 |
| 1989 | 120 |
| 1990 | 107 |
| 1991 | 129 |
| 1992 | 93 |
| 1993 | 111 |
| 1994 | 100 |
| 1995 | 92 |
| 1996 | 119 |
| 1997 | 93 |
| 1998 | 104 |
| 1999 | 98 |
| 2000 | 84 |
| 2001 | 91 |
| 2002 | 86 |
| 2003 | 106 |
| 2004 | 109 |
| 2005 | 137 |
| 2006 | 161 |
| 2007 | 166 |
| 2008 | 182 |
| 2009 | 217 |
| 2010 | 267 |
| 2011 | 287 |
| 2012 | 299 |
| 2013 | 349 |
| 2014 | 354 |
| 2015 | 339 |
| 2016 | 355 |
| 2017 | 360 |
| 2018 | 365 |
| 2019 | 336 |
| 2020 | 275 |
| 2021 | 134 |
| 2022 | 15 |
| 2023 | 9 |
| 2024 | 2 |