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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1961 | 3 |
| 1962 | 5 |
| 1963 | 12 |
| 1964 | 2 |
| 1965 | 338 |
| 1966 | 379 |
| 1967 | 405 |
| 1968 | 472 |
| 1969 | 419 |
| 1970 | 414 |
| 1971 | 427 |
| 1972 | 394 |
| 1973 | 423 |
| 1974 | 422 |
| 1975 | 370 |
| 1976 | 415 |
| 1977 | 405 |
| 1978 | 363 |
| 1979 | 353 |
| 1980 | 405 |
| 1981 | 340 |
| 1982 | 307 |
| 1983 | 380 |
| 1984 | 380 |
| 1985 | 337 |
| 1986 | 333 |
| 1987 | 353 |
| 1988 | 332 |
| 1989 | 254 |
| 1990 | 212 |
| 1992 | 225 |
| 1993 | 226 |
| 1994 | 182 |
| 1995 | 60 |
| 1996 | 31 |
| 1997 | 239 |
| 1998 | 196 |
| 1999 | 95 |
| 2000 | 107 |
| 2001 | 162 |
| 2002 | 271 |
| 2003 | 111 |
| 2004 | 207 |
| 2005 | 161 |
| 2006 | 179 |
| 2007 | 112 |
| 2008 | 50 |
| 2009 | 44 |
| 2010 | 34 |
| 2011 | 53 |
| 2012 | 38 |
| 2013 | 53 |
| 2014 | 127 |
| 2015 | 126 |
| 2016 | 184 |
| 2017 | 214 |
| 2018 | 354 |
| 2019 | 453 |
| 2020 | 529 |
| 2021 | 554 |
| 2022 | 522 |
| 2023 | 377 |
| 2024 | 83 |