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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1948 | 1 |
| 1951 | 4 |
| 1952 | 10 |
| 1953 | 9 |
| 1954 | 29 |
| 1955 | 51 |
| 1956 | 43 |
| 1957 | 20 |
| 1958 | 1 |
| 1959 | 14 |
| 1960 | 40 |
| 1961 | 54 |
| 1962 | 23 |
| 1966 | 1 |
| 1967 | 10 |
| 1968 | 15 |
| 1969 | 17 |
| 1970 | 12 |
| 1971 | 24 |
| 1972 | 19 |
| 1973 | 13 |
| 1974 | 17 |
| 1975 | 32 |
| 1976 | 34 |
| 1977 | 41 |
| 1978 | 51 |
| 1979 | 35 |
| 1980 | 40 |
| 1981 | 41 |
| 1982 | 39 |
| 1983 | 45 |
| 1984 | 57 |
| 1985 | 53 |
| 1986 | 75 |
| 1987 | 62 |
| 1988 | 67 |
| 1989 | 84 |
| 1990 | 183 |
| 1991 | 374 |
| 1992 | 429 |
| 1993 | 427 |
| 1994 | 482 |
| 1995 | 472 |
| 1996 | 449 |
| 1997 | 464 |
| 1998 | 432 |
| 1999 | 487 |
| 2000 | 552 |
| 2001 | 561 |
| 2002 | 558 |
| 2003 | 656 |
| 2004 | 807 |
| 2005 | 818 |
| 2006 | 773 |
| 2007 | 765 |
| 2008 | 851 |
| 2009 | 817 |
| 2010 | 961 |
| 2011 | 909 |
| 2012 | 875 |
| 2013 | 906 |
| 2014 | 969 |
| 2015 | 1025 |
| 2016 | 933 |
| 2017 | 902 |
| 2018 | 902 |
| 2019 | 822 |
| 2020 | 724 |
| 2021 | 515 |
| 2022 | 386 |
| 2023 | 279 |
| 2024 | 96 |