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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 5 |
| 1953 | 29 |
| 1954 | 39 |
| 1955 | 45 |
| 1956 | 42 |
| 1957 | 60 |
| 1958 | 52 |
| 1959 | 75 |
| 1960 | 82 |
| 1961 | 77 |
| 1962 | 34 |
| 1965 | 25 |
| 1966 | 45 |
| 1967 | 25 |
| 1968 | 16 |
| 1969 | 8 |
| 1970 | 1 |
| 1974 | 1 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 1 |
| 1982 | 1 |
| 1985 | 4 |
| 1986 | 102 |
| 1987 | 238 |
| 1988 | 226 |
| 1989 | 262 |
| 1990 | 255 |
| 1991 | 230 |
| 1992 | 249 |
| 1993 | 260 |
| 1994 | 234 |
| 1995 | 216 |
| 1996 | 178 |
| 1997 | 229 |
| 1998 | 218 |
| 1999 | 230 |
| 2000 | 209 |
| 2001 | 231 |
| 2002 | 207 |
| 2003 | 273 |
| 2004 | 264 |
| 2005 | 225 |
| 2006 | 262 |
| 2007 | 324 |
| 2008 | 306 |
| 2009 | 326 |
| 2010 | 399 |
| 2011 | 455 |
| 2012 | 452 |
| 2013 | 623 |
| 2014 | 592 |
| 2015 | 597 |
| 2016 | 593 |
| 2017 | 603 |
| 2018 | 602 |
| 2019 | 659 |
| 2020 | 567 |
| 2021 | 313 |
| 2022 | 116 |
| 2023 | 76 |
| 2024 | 61 |