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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1956 | 1 |
| 1957 | 22 |
| 1958 | 41 |
| 1959 | 11 |
| 1961 | 1 |
| 1964 | 3 |
| 1965 | 9 |
| 1966 | 85 |
| 1967 | 170 |
| 1968 | 172 |
| 1969 | 155 |
| 1970 | 111 |
| 1971 | 77 |
| 1972 | 99 |
| 1973 | 63 |
| 1974 | 75 |
| 1975 | 50 |
| 1976 | 49 |
| 1977 | 29 |
| 1978 | 37 |
| 1979 | 25 |
| 1980 | 42 |
| 1981 | 40 |
| 1982 | 44 |
| 1983 | 34 |
| 1984 | 41 |
| 1985 | 39 |
| 1986 | 45 |
| 1987 | 55 |
| 1988 | 97 |
| 1989 | 289 |
| 1990 | 1127 |
| 1991 | 2140 |
| 1992 | 3051 |
| 1993 | 3941 |
| 1994 | 4028 |
| 1995 | 4120 |
| 1996 | 3982 |
| 1997 | 4042 |
| 1998 | 4492 |
| 1999 | 5087 |
| 2000 | 4954 |
| 2001 | 4807 |
| 2002 | 4939 |
| 2003 | 5160 |
| 2004 | 5561 |
| 2005 | 6286 |
| 2006 | 6550 |
| 2007 | 6886 |
| 2008 | 7192 |
| 2009 | 7816 |
| 2010 | 7925 |
| 2011 | 8109 |
| 2012 | 8236 |
| 2013 | 8262 |
| 2014 | 8107 |
| 2015 | 7673 |
| 2016 | 7270 |
| 2017 | 6971 |
| 2018 | 6879 |
| 2019 | 6333 |
| 2020 | 6012 |
| 2021 | 5114 |
| 2022 | 774 |
| 2023 | 195 |
| 2024 | 1413 |