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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1957 | 1 |
| 1959 | 3 |
| 1960 | 1 |
| 1961 | 5 |
| 1965 | 13 |
| 1966 | 16 |
| 1967 | 10 |
| 1968 | 33 |
| 1969 | 29 |
| 1970 | 27 |
| 1971 | 40 |
| 1972 | 46 |
| 1973 | 43 |
| 1974 | 73 |
| 1975 | 69 |
| 1976 | 54 |
| 1977 | 44 |
| 1978 | 55 |
| 1979 | 85 |
| 1980 | 62 |
| 1981 | 65 |
| 1982 | 112 |
| 1983 | 128 |
| 1984 | 114 |
| 1985 | 126 |
| 1986 | 92 |
| 1987 | 87 |
| 1988 | 79 |
| 1989 | 69 |
| 1990 | 156 |
| 1991 | 135 |
| 1992 | 142 |
| 1993 | 157 |
| 1994 | 177 |
| 1995 | 210 |
| 1996 | 153 |
| 1997 | 166 |
| 1998 | 162 |
| 1999 | 207 |
| 2000 | 213 |
| 2001 | 221 |
| 2002 | 220 |
| 2003 | 303 |
| 2004 | 302 |
| 2005 | 393 |
| 2006 | 498 |
| 2007 | 566 |
| 2008 | 625 |
| 2009 | 565 |
| 2010 | 509 |
| 2011 | 406 |
| 2012 | 470 |
| 2013 | 464 |
| 2014 | 454 |
| 2015 | 455 |
| 2016 | 424 |
| 2017 | 479 |
| 2018 | 451 |
| 2019 | 416 |
| 2020 | 419 |
| 2021 | 418 |
| 2022 | 463 |
| 2023 | 385 |
| 2024 | 167 |