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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1963 | 2 |
| 1964 | 18 |
| 1965 | 99 |
| 1966 | 277 |
| 1967 | 336 |
| 1968 | 438 |
| 1969 | 482 |
| 1970 | 489 |
| 1971 | 613 |
| 1972 | 631 |
| 1973 | 708 |
| 1974 | 811 |
| 1975 | 694 |
| 1976 | 675 |
| 1977 | 626 |
| 1978 | 537 |
| 1979 | 576 |
| 1980 | 471 |
| 1981 | 390 |
| 1982 | 372 |
| 1983 | 308 |
| 1984 | 318 |
| 1985 | 258 |
| 1986 | 240 |
| 1987 | 213 |
| 1988 | 208 |
| 1989 | 218 |
| 1990 | 271 |
| 1991 | 292 |
| 1992 | 210 |
| 1993 | 224 |
| 1994 | 282 |
| 1995 | 288 |
| 1996 | 279 |
| 1997 | 263 |
| 1998 | 268 |
| 1999 | 263 |
| 2000 | 330 |
| 2001 | 415 |
| 2002 | 367 |
| 2003 | 363 |
| 2004 | 394 |
| 2005 | 415 |
| 2006 | 418 |
| 2007 | 446 |
| 2008 | 514 |
| 2009 | 526 |
| 2010 | 512 |
| 2011 | 567 |
| 2012 | 594 |
| 2013 | 593 |
| 2014 | 626 |
| 2015 | 612 |
| 2016 | 610 |
| 2017 | 615 |
| 2018 | 577 |
| 2019 | 594 |
| 2020 | 650 |
| 2021 | 652 |
| 2022 | 514 |
| 2023 | 432 |
| 2024 | 131 |