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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 39 |
| 1960 | 83 |
| 1961 | 110 |
| 1962 | 168 |
| 1963 | 185 |
| 1964 | 216 |
| 1965 | 240 |
| 1966 | 220 |
| 1967 | 281 |
| 1968 | 342 |
| 1969 | 365 |
| 1970 | 345 |
| 1971 | 459 |
| 1972 | 418 |
| 1973 | 421 |
| 1974 | 438 |
| 1975 | 444 |
| 1976 | 518 |
| 1977 | 454 |
| 1978 | 550 |
| 1979 | 644 |
| 1980 | 592 |
| 1981 | 591 |
| 1982 | 713 |
| 1983 | 675 |
| 1984 | 683 |
| 1985 | 710 |
| 1986 | 756 |
| 1987 | 713 |
| 1988 | 777 |
| 1989 | 647 |
| 1990 | 705 |
| 1991 | 692 |
| 1992 | 715 |
| 1993 | 665 |
| 1994 | 598 |
| 1995 | 506 |
| 1996 | 448 |
| 1997 | 399 |
| 1998 | 446 |
| 1999 | 395 |
| 2000 | 407 |
| 2001 | 368 |
| 2002 | 435 |
| 2003 | 480 |
| 2004 | 516 |
| 2005 | 445 |
| 2006 | 453 |
| 2007 | 498 |
| 2008 | 493 |
| 2009 | 468 |
| 2010 | 501 |
| 2011 | 453 |
| 2012 | 434 |
| 2013 | 426 |
| 2014 | 377 |
| 2015 | 320 |
| 2016 | 316 |
| 2017 | 341 |
| 2018 | 447 |
| 2019 | 419 |
| 2020 | 580 |
| 2021 | 487 |
| 2022 | 451 |
| 2023 | 530 |
| 2024 | 228 |