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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 18 |
| 1952 | 33 |
| 1953 | 42 |
| 1954 | 45 |
| 1955 | 35 |
| 1956 | 44 |
| 1957 | 48 |
| 1958 | 46 |
| 1959 | 23 |
| 1960 | 17 |
| 1961 | 16 |
| 1962 | 8 |
| 1967 | 1 |
| 1970 | 2 |
| 1973 | 1 |
| 1976 | 2 |
| 1977 | 5 |
| 1978 | 22 |
| 1979 | 26 |
| 1980 | 35 |
| 1981 | 30 |
| 1982 | 38 |
| 1983 | 24 |
| 1984 | 34 |
| 1985 | 24 |
| 1986 | 17 |
| 1987 | 16 |
| 1988 | 54 |
| 1989 | 123 |
| 1990 | 186 |
| 1991 | 205 |
| 1992 | 227 |
| 1993 | 270 |
| 1994 | 262 |
| 1995 | 239 |
| 1996 | 208 |
| 1997 | 254 |
| 1998 | 337 |
| 1999 | 489 |
| 2000 | 472 |
| 2001 | 617 |
| 2002 | 551 |
| 2003 | 655 |
| 2004 | 637 |
| 2005 | 663 |
| 2006 | 752 |
| 2007 | 936 |
| 2008 | 1087 |
| 2009 | 1129 |
| 2010 | 1326 |
| 2011 | 1585 |
| 2012 | 1598 |
| 2013 | 1781 |
| 2014 | 1932 |
| 2015 | 1906 |
| 2016 | 1965 |
| 2017 | 1877 |
| 2018 | 1954 |
| 2019 | 1880 |
| 2020 | 1379 |
| 2021 | 609 |
| 2022 | 758 |
| 2023 | 715 |
| 2024 | 542 |