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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 20 |
| 1955 | 50 |
| 1956 | 91 |
| 1957 | 108 |
| 1958 | 135 |
| 1959 | 145 |
| 1960 | 170 |
| 1961 | 253 |
| 1962 | 244 |
| 1963 | 261 |
| 1964 | 307 |
| 1965 | 230 |
| 1966 | 207 |
| 1967 | 288 |
| 1968 | 330 |
| 1969 | 410 |
| 1970 | 337 |
| 1971 | 366 |
| 1972 | 407 |
| 1973 | 405 |
| 1974 | 422 |
| 1975 | 426 |
| 1976 | 468 |
| 1977 | 486 |
| 1978 | 474 |
| 1979 | 576 |
| 1980 | 522 |
| 1981 | 548 |
| 1982 | 540 |
| 1983 | 508 |
| 1984 | 592 |
| 1985 | 568 |
| 1986 | 599 |
| 1987 | 533 |
| 1988 | 535 |
| 1989 | 526 |
| 1990 | 488 |
| 1991 | 478 |
| 1992 | 456 |
| 1993 | 447 |
| 1994 | 370 |
| 1995 | 439 |
| 1996 | 374 |
| 1997 | 317 |
| 1998 | 339 |
| 1999 | 345 |
| 2000 | 342 |
| 2001 | 350 |
| 2002 | 336 |
| 2003 | 363 |
| 2004 | 404 |
| 2005 | 381 |
| 2006 | 435 |
| 2007 | 412 |
| 2008 | 371 |
| 2009 | 421 |
| 2010 | 430 |
| 2011 | 466 |
| 2012 | 463 |
| 2013 | 422 |
| 2014 | 392 |
| 2015 | 406 |
| 2016 | 428 |
| 2017 | 364 |
| 2018 | 309 |
| 2019 | 349 |
| 2020 | 399 |
| 2021 | 376 |
| 2022 | 458 |
| 2023 | 425 |
| 2024 | 230 |