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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1951 | 11 |
| 1952 | 12 |
| 1953 | 16 |
| 1954 | 14 |
| 1955 | 11 |
| 1956 | 10 |
| 1957 | 18 |
| 1958 | 10 |
| 1959 | 18 |
| 1960 | 26 |
| 1961 | 11 |
| 1962 | 19 |
| 1963 | 22 |
| 1965 | 1 |
| 1966 | 6 |
| 1967 | 11 |
| 1968 | 27 |
| 1969 | 25 |
| 1970 | 25 |
| 1971 | 30 |
| 1972 | 26 |
| 1973 | 33 |
| 1974 | 36 |
| 1975 | 86 |
| 1976 | 80 |
| 1977 | 115 |
| 1978 | 256 |
| 1979 | 312 |
| 1980 | 337 |
| 1981 | 343 |
| 1982 | 294 |
| 1983 | 351 |
| 1984 | 412 |
| 1985 | 423 |
| 1986 | 536 |
| 1987 | 588 |
| 1988 | 782 |
| 1989 | 1001 |
| 1990 | 1448 |
| 1991 | 2133 |
| 1992 | 2346 |
| 1993 | 2245 |
| 1994 | 2117 |
| 1995 | 2075 |
| 1996 | 2096 |
| 1997 | 2358 |
| 1998 | 3042 |
| 1999 | 3168 |
| 2000 | 3078 |
| 2001 | 3226 |
| 2002 | 3241 |
| 2003 | 3818 |
| 2004 | 3798 |
| 2005 | 3918 |
| 2006 | 4631 |
| 2007 | 5004 |
| 2008 | 5533 |
| 2009 | 5407 |
| 2010 | 6012 |
| 2011 | 6637 |
| 2012 | 7026 |
| 2013 | 7566 |
| 2014 | 7437 |
| 2015 | 7742 |
| 2016 | 7046 |
| 2017 | 7328 |
| 2018 | 7535 |
| 2019 | 7609 |
| 2020 | 6064 |
| 2021 | 2808 |
| 2022 | 380 |
| 2023 | 137 |
| 2024 | 44 |