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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1954 | 2 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 6 |
| 1958 | 10 |
| 1959 | 10 |
| 1960 | 8 |
| 1961 | 16 |
| 1962 | 8 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 22 |
| 1966 | 24 |
| 1967 | 34 |
| 1968 | 29 |
| 1969 | 33 |
| 1970 | 47 |
| 1971 | 37 |
| 1972 | 44 |
| 1973 | 44 |
| 1974 | 24 |
| 1975 | 34 |
| 1976 | 22 |
| 1977 | 54 |
| 1978 | 44 |
| 1979 | 58 |
| 1980 | 94 |
| 1981 | 96 |
| 1982 | 132 |
| 1983 | 175 |
| 1984 | 170 |
| 1985 | 200 |
| 1986 | 222 |
| 1987 | 213 |
| 1988 | 227 |
| 1989 | 301 |
| 1990 | 293 |
| 1991 | 275 |
| 1992 | 258 |
| 1993 | 289 |
| 1994 | 348 |
| 1995 | 337 |
| 1996 | 384 |
| 1997 | 389 |
| 1998 | 466 |
| 1999 | 470 |
| 2000 | 481 |
| 2001 | 500 |
| 2002 | 509 |
| 2003 | 530 |
| 2004 | 560 |
| 2005 | 570 |
| 2006 | 608 |
| 2007 | 560 |
| 2008 | 631 |
| 2009 | 641 |
| 2010 | 648 |
| 2011 | 670 |
| 2012 | 774 |
| 2013 | 767 |
| 2014 | 780 |
| 2015 | 743 |
| 2016 | 678 |
| 2017 | 622 |
| 2018 | 647 |
| 2019 | 644 |
| 2020 | 591 |
| 2021 | 539 |
| 2022 | 747 |
| 2023 | 668 |
| 2024 | 230 |