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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 4 |
| 1952 | 17 |
| 1953 | 13 |
| 1954 | 26 |
| 1955 | 27 |
| 1956 | 27 |
| 1957 | 22 |
| 1958 | 26 |
| 1959 | 30 |
| 1960 | 39 |
| 1961 | 41 |
| 1962 | 25 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 52 |
| 1966 | 91 |
| 1967 | 81 |
| 1968 | 97 |
| 1969 | 105 |
| 1970 | 86 |
| 1971 | 80 |
| 1972 | 73 |
| 1973 | 77 |
| 1974 | 71 |
| 1975 | 63 |
| 1976 | 59 |
| 1977 | 51 |
| 1978 | 53 |
| 1979 | 52 |
| 1980 | 52 |
| 1981 | 55 |
| 1982 | 40 |
| 1983 | 64 |
| 1984 | 53 |
| 1985 | 68 |
| 1986 | 69 |
| 1987 | 71 |
| 1988 | 69 |
| 1989 | 81 |
| 1990 | 106 |
| 1991 | 135 |
| 1992 | 111 |
| 1993 | 127 |
| 1994 | 131 |
| 1995 | 160 |
| 1996 | 136 |
| 1997 | 158 |
| 1998 | 172 |
| 1999 | 173 |
| 2000 | 188 |
| 2001 | 196 |
| 2002 | 236 |
| 2003 | 238 |
| 2004 | 266 |
| 2005 | 277 |
| 2006 | 262 |
| 2007 | 304 |
| 2008 | 305 |
| 2009 | 367 |
| 2010 | 352 |
| 2011 | 402 |
| 2012 | 391 |
| 2013 | 452 |
| 2014 | 476 |
| 2015 | 476 |
| 2016 | 421 |
| 2017 | 376 |
| 2018 | 402 |
| 2019 | 422 |
| 2020 | 380 |
| 2021 | 406 |
| 2022 | 388 |
| 2023 | 312 |
| 2024 | 76 |