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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1959 | 4 |
| 1960 | 8 |
| 1961 | 17 |
| 1962 | 64 |
| 1963 | 151 |
| 1964 | 286 |
| 1965 | 665 |
| 1966 | 1087 |
| 1967 | 1626 |
| 1968 | 2040 |
| 1969 | 2052 |
| 1970 | 2173 |
| 1971 | 2731 |
| 1972 | 3041 |
| 1973 | 3066 |
| 1974 | 3133 |
| 1975 | 1431 |
| 1976 | 877 |
| 1977 | 781 |
| 1978 | 621 |
| 1979 | 605 |
| 1980 | 649 |
| 1981 | 557 |
| 1982 | 616 |
| 1983 | 608 |
| 1984 | 808 |
| 1985 | 853 |
| 1986 | 781 |
| 1987 | 714 |
| 1988 | 721 |
| 1989 | 699 |
| 1990 | 766 |
| 1991 | 755 |
| 1992 | 706 |
| 1993 | 513 |
| 1994 | 512 |
| 1995 | 498 |
| 1996 | 520 |
| 1997 | 451 |
| 1998 | 418 |
| 1999 | 474 |
| 2000 | 658 |
| 2001 | 675 |
| 2002 | 642 |
| 2003 | 537 |
| 2004 | 521 |
| 2005 | 524 |
| 2006 | 495 |
| 2007 | 560 |
| 2008 | 546 |
| 2009 | 478 |
| 2010 | 451 |
| 2011 | 501 |
| 2012 | 449 |
| 2013 | 444 |
| 2014 | 403 |
| 2015 | 343 |
| 2016 | 315 |
| 2017 | 288 |
| 2018 | 263 |
| 2019 | 241 |
| 2020 | 196 |
| 2021 | 181 |
| 2022 | 141 |
| 2023 | 92 |
| 2024 | 48 |