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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 62 |
| 1958 | 59 |
| 1959 | 80 |
| 1960 | 73 |
| 1961 | 76 |
| 1962 | 80 |
| 1963 | 80 |
| 1964 | 104 |
| 1965 | 105 |
| 1966 | 113 |
| 1967 | 124 |
| 1968 | 118 |
| 1969 | 161 |
| 1970 | 160 |
| 1971 | 198 |
| 1972 | 172 |
| 1973 | 214 |
| 1974 | 209 |
| 1975 | 175 |
| 1976 | 212 |
| 1977 | 191 |
| 1978 | 168 |
| 1979 | 146 |
| 1980 | 232 |
| 1981 | 215 |
| 1982 | 237 |
| 1983 | 251 |
| 1984 | 262 |
| 1985 | 259 |
| 1986 | 327 |
| 1987 | 362 |
| 1988 | 303 |
| 1989 | 414 |
| 1990 | 342 |
| 1991 | 395 |
| 1992 | 513 |
| 1993 | 645 |
| 1994 | 573 |
| 1995 | 641 |
| 1996 | 674 |
| 1997 | 615 |
| 1998 | 657 |
| 1999 | 714 |
| 2000 | 694 |
| 2001 | 704 |
| 2002 | 811 |
| 2003 | 829 |
| 2004 | 822 |
| 2005 | 827 |
| 2006 | 882 |
| 2007 | 836 |
| 2008 | 725 |
| 2009 | 836 |
| 2010 | 694 |
| 2011 | 625 |
| 2012 | 492 |
| 2013 | 492 |
| 2014 | 439 |
| 2015 | 476 |
| 2016 | 568 |
| 2017 | 762 |
| 2018 | 695 |
| 2019 | 594 |
| 2020 | 693 |
| 2021 | 556 |
| 2022 | 549 |
| 2023 | 524 |
| 2024 | 361 |