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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 39 |
| 1954 | 54 |
| 1955 | 35 |
| 1956 | 27 |
| 1957 | 28 |
| 1958 | 14 |
| 1959 | 3 |
| 1960 | 1 |
| 1963 | 2 |
| 1964 | 5 |
| 1965 | 52 |
| 1966 | 124 |
| 1967 | 150 |
| 1968 | 177 |
| 1969 | 263 |
| 1970 | 264 |
| 1971 | 242 |
| 1972 | 200 |
| 1973 | 178 |
| 1974 | 181 |
| 1975 | 145 |
| 1976 | 188 |
| 1977 | 140 |
| 1978 | 160 |
| 1979 | 180 |
| 1980 | 176 |
| 1981 | 130 |
| 1982 | 221 |
| 1983 | 289 |
| 1984 | 339 |
| 1985 | 420 |
| 1986 | 483 |
| 1987 | 620 |
| 1988 | 666 |
| 1989 | 788 |
| 1990 | 665 |
| 1991 | 809 |
| 1992 | 805 |
| 1993 | 835 |
| 1994 | 906 |
| 1995 | 855 |
| 1996 | 848 |
| 1997 | 840 |
| 1998 | 868 |
| 1999 | 1065 |
| 2000 | 1089 |
| 2001 | 1362 |
| 2002 | 1535 |
| 2003 | 1813 |
| 2004 | 1947 |
| 2005 | 2460 |
| 2006 | 2903 |
| 2007 | 3306 |
| 2008 | 3713 |
| 2009 | 4200 |
| 2010 | 4527 |
| 2011 | 4899 |
| 2012 | 5205 |
| 2013 | 5501 |
| 2014 | 5857 |
| 2015 | 6001 |
| 2016 | 6162 |
| 2017 | 6716 |
| 2018 | 6969 |
| 2019 | 7281 |
| 2020 | 6706 |
| 2021 | 5476 |
| 2022 | 2374 |
| 2023 | 1606 |
| 2024 | 502 |