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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 30 |
| 1959 | 37 |
| 1960 | 29 |
| 1961 | 40 |
| 1962 | 61 |
| 1963 | 45 |
| 1964 | 63 |
| 1965 | 123 |
| 1966 | 113 |
| 1967 | 138 |
| 1968 | 172 |
| 1969 | 168 |
| 1970 | 189 |
| 1971 | 214 |
| 1972 | 198 |
| 1973 | 200 |
| 1974 | 226 |
| 1975 | 229 |
| 1976 | 301 |
| 1977 | 309 |
| 1978 | 301 |
| 1979 | 374 |
| 1980 | 325 |
| 1981 | 335 |
| 1982 | 333 |
| 1983 | 313 |
| 1984 | 342 |
| 1985 | 317 |
| 1986 | 368 |
| 1987 | 430 |
| 1988 | 412 |
| 1989 | 316 |
| 1990 | 292 |
| 1991 | 305 |
| 1992 | 320 |
| 1993 | 308 |
| 1994 | 306 |
| 1995 | 292 |
| 1996 | 284 |
| 1997 | 262 |
| 1998 | 255 |
| 1999 | 268 |
| 2000 | 221 |
| 2001 | 219 |
| 2002 | 292 |
| 2003 | 291 |
| 2004 | 302 |
| 2005 | 276 |
| 2006 | 325 |
| 2007 | 355 |
| 2008 | 452 |
| 2009 | 443 |
| 2010 | 422 |
| 2011 | 415 |
| 2012 | 351 |
| 2013 | 388 |
| 2014 | 426 |
| 2015 | 409 |
| 2016 | 355 |
| 2017 | 428 |
| 2018 | 387 |
| 2019 | 358 |
| 2020 | 463 |
| 2021 | 451 |
| 2022 | 435 |
| 2023 | 412 |
| 2024 | 191 |