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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 4 |
| 1955 | 1 |
| 1957 | 1 |
| 1958 | 15 |
| 1959 | 5 |
| 1960 | 28 |
| 1961 | 27 |
| 1962 | 10 |
| 1964 | 5 |
| 1965 | 33 |
| 1966 | 67 |
| 1967 | 74 |
| 1968 | 121 |
| 1969 | 146 |
| 1970 | 180 |
| 1971 | 203 |
| 1972 | 254 |
| 1973 | 235 |
| 1974 | 329 |
| 1975 | 330 |
| 1976 | 332 |
| 1977 | 422 |
| 1978 | 438 |
| 1979 | 486 |
| 1980 | 545 |
| 1981 | 616 |
| 1982 | 624 |
| 1983 | 682 |
| 1984 | 746 |
| 1985 | 865 |
| 1986 | 798 |
| 1987 | 791 |
| 1988 | 810 |
| 1989 | 764 |
| 1990 | 805 |
| 1991 | 739 |
| 1992 | 758 |
| 1993 | 702 |
| 1994 | 631 |
| 1995 | 612 |
| 1996 | 570 |
| 1997 | 534 |
| 1998 | 507 |
| 1999 | 505 |
| 2000 | 539 |
| 2001 | 531 |
| 2002 | 534 |
| 2003 | 578 |
| 2004 | 611 |
| 2005 | 641 |
| 2006 | 592 |
| 2007 | 690 |
| 2008 | 731 |
| 2009 | 682 |
| 2010 | 745 |
| 2011 | 784 |
| 2012 | 907 |
| 2013 | 927 |
| 2014 | 914 |
| 2015 | 996 |
| 2016 | 957 |
| 2017 | 945 |
| 2018 | 874 |
| 2019 | 871 |
| 2020 | 791 |
| 2021 | 705 |
| 2022 | 505 |
| 2023 | 422 |
| 2024 | 229 |