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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 65 |
| 1957 | 86 |
| 1958 | 88 |
| 1959 | 129 |
| 1960 | 129 |
| 1961 | 132 |
| 1962 | 147 |
| 1963 | 170 |
| 1964 | 212 |
| 1965 | 190 |
| 1966 | 261 |
| 1967 | 237 |
| 1968 | 315 |
| 1969 | 334 |
| 1970 | 356 |
| 1971 | 360 |
| 1972 | 481 |
| 1973 | 444 |
| 1974 | 357 |
| 1975 | 431 |
| 1976 | 486 |
| 1977 | 469 |
| 1978 | 462 |
| 1979 | 418 |
| 1980 | 406 |
| 1981 | 381 |
| 1982 | 380 |
| 1983 | 379 |
| 1984 | 330 |
| 1985 | 313 |
| 1986 | 293 |
| 1987 | 361 |
| 1988 | 300 |
| 1989 | 291 |
| 1990 | 285 |
| 1991 | 286 |
| 1992 | 217 |
| 1993 | 234 |
| 1994 | 210 |
| 1995 | 187 |
| 1996 | 221 |
| 1997 | 226 |
| 1998 | 200 |
| 1999 | 213 |
| 2000 | 243 |
| 2001 | 319 |
| 2002 | 251 |
| 2003 | 284 |
| 2004 | 331 |
| 2005 | 476 |
| 2006 | 599 |
| 2007 | 512 |
| 2008 | 473 |
| 2009 | 477 |
| 2010 | 524 |
| 2011 | 559 |
| 2012 | 526 |
| 2013 | 508 |
| 2014 | 576 |
| 2015 | 634 |
| 2016 | 466 |
| 2017 | 476 |
| 2018 | 609 |
| 2019 | 527 |
| 2020 | 621 |
| 2021 | 423 |
| 2022 | 397 |
| 2023 | 430 |
| 2024 | 285 |