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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 1 |
| 1958 | 2 |
| 1962 | 1 |
| 1965 | 45 |
| 1966 | 92 |
| 1967 | 117 |
| 1968 | 131 |
| 1969 | 147 |
| 1970 | 137 |
| 1971 | 195 |
| 1972 | 156 |
| 1973 | 138 |
| 1974 | 155 |
| 1975 | 166 |
| 1976 | 166 |
| 1977 | 169 |
| 1978 | 174 |
| 1979 | 233 |
| 1980 | 200 |
| 1981 | 245 |
| 1982 | 306 |
| 1983 | 327 |
| 1984 | 389 |
| 1985 | 471 |
| 1986 | 403 |
| 1987 | 424 |
| 1988 | 441 |
| 1989 | 535 |
| 1990 | 556 |
| 1991 | 504 |
| 1992 | 596 |
| 1993 | 698 |
| 1994 | 685 |
| 1995 | 606 |
| 1996 | 665 |
| 1997 | 664 |
| 1998 | 635 |
| 1999 | 675 |
| 2000 | 765 |
| 2001 | 766 |
| 2002 | 818 |
| 2003 | 913 |
| 2004 | 925 |
| 2005 | 1020 |
| 2006 | 1184 |
| 2007 | 1133 |
| 2008 | 1155 |
| 2009 | 1284 |
| 2010 | 1376 |
| 2011 | 1555 |
| 2012 | 1555 |
| 2013 | 1557 |
| 2014 | 1623 |
| 2015 | 1711 |
| 2016 | 1744 |
| 2017 | 1620 |
| 2018 | 1575 |
| 2019 | 1717 |
| 2020 | 1943 |
| 2021 | 1854 |
| 2022 | 1628 |
| 2023 | 1541 |
| 2024 | 686 |