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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 31 |
| 1956 | 39 |
| 1957 | 68 |
| 1958 | 57 |
| 1959 | 59 |
| 1960 | 54 |
| 1961 | 58 |
| 1962 | 68 |
| 1963 | 66 |
| 1964 | 122 |
| 1965 | 117 |
| 1966 | 99 |
| 1967 | 107 |
| 1968 | 108 |
| 1969 | 130 |
| 1970 | 186 |
| 1971 | 223 |
| 1972 | 276 |
| 1973 | 299 |
| 1974 | 316 |
| 1975 | 370 |
| 1976 | 443 |
| 1977 | 507 |
| 1978 | 533 |
| 1979 | 531 |
| 1980 | 526 |
| 1981 | 572 |
| 1982 | 659 |
| 1983 | 666 |
| 1984 | 644 |
| 1985 | 655 |
| 1986 | 744 |
| 1987 | 794 |
| 1988 | 845 |
| 1989 | 670 |
| 1990 | 610 |
| 1991 | 511 |
| 1992 | 563 |
| 1993 | 530 |
| 1994 | 462 |
| 1995 | 424 |
| 1996 | 440 |
| 1997 | 489 |
| 1998 | 520 |
| 1999 | 459 |
| 2000 | 441 |
| 2001 | 436 |
| 2002 | 417 |
| 2003 | 458 |
| 2004 | 562 |
| 2005 | 552 |
| 2006 | 468 |
| 2007 | 455 |
| 2008 | 411 |
| 2009 | 420 |
| 2010 | 401 |
| 2011 | 391 |
| 2012 | 390 |
| 2013 | 409 |
| 2014 | 376 |
| 2015 | 341 |
| 2016 | 383 |
| 2017 | 432 |
| 2018 | 366 |
| 2019 | 294 |
| 2020 | 291 |
| 2021 | 318 |
| 2022 | 207 |
| 2023 | 214 |
| 2024 | 217 |
| 2025 | 156 |