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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 5 |
| 1967 | 8 |
| 1968 | 13 |
| 1969 | 12 |
| 1970 | 8 |
| 1971 | 21 |
| 1972 | 9 |
| 1973 | 16 |
| 1974 | 8 |
| 1975 | 7 |
| 1976 | 13 |
| 1977 | 11 |
| 1978 | 11 |
| 1979 | 20 |
| 1980 | 14 |
| 1981 | 17 |
| 1982 | 19 |
| 1983 | 21 |
| 1984 | 40 |
| 1985 | 37 |
| 1986 | 28 |
| 1987 | 43 |
| 1988 | 33 |
| 1989 | 54 |
| 1990 | 77 |
| 1991 | 94 |
| 1992 | 98 |
| 1993 | 134 |
| 1994 | 169 |
| 1995 | 209 |
| 1996 | 169 |
| 1997 | 206 |
| 1998 | 144 |
| 1999 | 172 |
| 2000 | 222 |
| 2001 | 202 |
| 2002 | 234 |
| 2003 | 238 |
| 2004 | 340 |
| 2005 | 336 |
| 2006 | 328 |
| 2007 | 341 |
| 2008 | 349 |
| 2009 | 405 |
| 2010 | 426 |
| 2011 | 384 |
| 2012 | 424 |
| 2013 | 432 |
| 2014 | 372 |
| 2015 | 382 |
| 2016 | 359 |
| 2017 | 377 |
| 2018 | 375 |
| 2019 | 297 |
| 2020 | 162 |
| 2021 | 102 |
| 2022 | 14 |
| 2023 | 2 |
| 2024 | 3 |