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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 5 |
| 1967 | 8 |
| 1968 | 16 |
| 1969 | 23 |
| 1970 | 22 |
| 1971 | 20 |
| 1972 | 23 |
| 1973 | 20 |
| 1974 | 33 |
| 1975 | 23 |
| 1976 | 16 |
| 1977 | 21 |
| 1978 | 23 |
| 1979 | 22 |
| 1980 | 21 |
| 1981 | 15 |
| 1982 | 34 |
| 1983 | 28 |
| 1984 | 34 |
| 1985 | 41 |
| 1986 | 33 |
| 1987 | 57 |
| 1988 | 57 |
| 1989 | 55 |
| 1990 | 80 |
| 1991 | 89 |
| 1992 | 84 |
| 1993 | 79 |
| 1994 | 83 |
| 1995 | 92 |
| 1996 | 75 |
| 1997 | 85 |
| 1998 | 70 |
| 1999 | 103 |
| 2000 | 64 |
| 2001 | 99 |
| 2002 | 111 |
| 2003 | 118 |
| 2004 | 130 |
| 2005 | 120 |
| 2006 | 117 |
| 2007 | 209 |
| 2008 | 267 |
| 2009 | 285 |
| 2010 | 290 |
| 2011 | 297 |
| 2012 | 362 |
| 2013 | 411 |
| 2014 | 417 |
| 2015 | 418 |
| 2016 | 357 |
| 2017 | 342 |
| 2018 | 382 |
| 2019 | 404 |
| 2020 | 408 |
| 2021 | 258 |
| 2022 | 35 |
| 2023 | 5 |
| 2024 | 8 |