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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 3 |
| 1959 | 2 |
| 1965 | 3 |
| 1966 | 16 |
| 1967 | 40 |
| 1968 | 44 |
| 1969 | 45 |
| 1970 | 63 |
| 1971 | 98 |
| 1972 | 91 |
| 1973 | 123 |
| 1974 | 133 |
| 1975 | 100 |
| 1976 | 133 |
| 1977 | 111 |
| 1978 | 128 |
| 1979 | 151 |
| 1980 | 139 |
| 1981 | 144 |
| 1982 | 184 |
| 1983 | 178 |
| 1984 | 181 |
| 1985 | 200 |
| 1986 | 207 |
| 1987 | 210 |
| 1988 | 255 |
| 1989 | 258 |
| 1990 | 329 |
| 1991 | 343 |
| 1992 | 331 |
| 1993 | 356 |
| 1994 | 390 |
| 1995 | 345 |
| 1996 | 371 |
| 1997 | 376 |
| 1998 | 364 |
| 1999 | 396 |
| 2000 | 408 |
| 2001 | 412 |
| 2002 | 417 |
| 2003 | 445 |
| 2004 | 523 |
| 2005 | 595 |
| 2006 | 702 |
| 2007 | 765 |
| 2008 | 890 |
| 2009 | 894 |
| 2010 | 872 |
| 2011 | 978 |
| 2012 | 1060 |
| 2013 | 1161 |
| 2014 | 1098 |
| 2015 | 1188 |
| 2016 | 1199 |
| 2017 | 1166 |
| 2018 | 1108 |
| 2019 | 1043 |
| 2020 | 875 |
| 2021 | 573 |
| 2022 | 73 |
| 2023 | 27 |
| 2024 | 389 |
| 2025 | 17 |