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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 248 |
| 1952 | 391 |
| 1953 | 325 |
| 1954 | 355 |
| 1955 | 355 |
| 1956 | 346 |
| 1957 | 415 |
| 1958 | 347 |
| 1959 | 319 |
| 1960 | 330 |
| 1961 | 304 |
| 1962 | 366 |
| 1963 | 263 |
| 1964 | 394 |
| 1965 | 310 |
| 1966 | 341 |
| 1967 | 393 |
| 1968 | 598 |
| 1969 | 526 |
| 1970 | 436 |
| 1971 | 503 |
| 1972 | 511 |
| 1973 | 477 |
| 1974 | 479 |
| 1975 | 504 |
| 1976 | 507 |
| 1977 | 539 |
| 1978 | 492 |
| 1979 | 492 |
| 1980 | 547 |
| 1981 | 539 |
| 1982 | 551 |
| 1983 | 616 |
| 1984 | 616 |
| 1985 | 630 |
| 1986 | 605 |
| 1987 | 533 |
| 1988 | 573 |
| 1989 | 556 |
| 1990 | 510 |
| 1991 | 561 |
| 1992 | 611 |
| 1993 | 600 |
| 1994 | 525 |
| 1995 | 621 |
| 1996 | 524 |
| 1997 | 524 |
| 1998 | 484 |
| 1999 | 514 |
| 2000 | 567 |
| 2001 | 445 |
| 2002 | 433 |
| 2003 | 395 |
| 2004 | 355 |
| 2005 | 405 |
| 2006 | 353 |
| 2007 | 474 |
| 2008 | 420 |
| 2009 | 321 |
| 2010 | 376 |
| 2011 | 347 |
| 2012 | 294 |
| 2013 | 279 |
| 2014 | 307 |
| 2015 | 313 |
| 2016 | 335 |
| 2017 | 237 |
| 2018 | 309 |
| 2019 | 332 |
| 2020 | 360 |
| 2021 | 277 |
| 2022 | 251 |
| 2023 | 258 |
| 2024 | 139 |