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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 6 |
| 1955 | 3 |
| 1956 | 16 |
| 1957 | 24 |
| 1958 | 16 |
| 1959 | 19 |
| 1960 | 14 |
| 1961 | 21 |
| 1962 | 22 |
| 1965 | 42 |
| 1966 | 133 |
| 1967 | 148 |
| 1968 | 186 |
| 1969 | 224 |
| 1970 | 237 |
| 1971 | 264 |
| 1972 | 234 |
| 1973 | 272 |
| 1974 | 287 |
| 1975 | 258 |
| 1976 | 297 |
| 1977 | 306 |
| 1978 | 289 |
| 1979 | 352 |
| 1980 | 391 |
| 1981 | 393 |
| 1982 | 433 |
| 1983 | 428 |
| 1984 | 567 |
| 1985 | 666 |
| 1986 | 722 |
| 1987 | 595 |
| 1988 | 627 |
| 1989 | 812 |
| 1990 | 792 |
| 1991 | 829 |
| 1992 | 903 |
| 1993 | 878 |
| 1994 | 975 |
| 1995 | 963 |
| 1996 | 1060 |
| 1997 | 1073 |
| 1998 | 1064 |
| 1999 | 1159 |
| 2000 | 1218 |
| 2001 | 1194 |
| 2002 | 1239 |
| 2003 | 1367 |
| 2004 | 1394 |
| 2005 | 1575 |
| 2006 | 1631 |
| 2007 | 1702 |
| 2008 | 1833 |
| 2009 | 2010 |
| 2010 | 2372 |
| 2011 | 2647 |
| 2012 | 2756 |
| 2013 | 2838 |
| 2014 | 3004 |
| 2015 | 3087 |
| 2016 | 2913 |
| 2017 | 3043 |
| 2018 | 3091 |
| 2019 | 3202 |
| 2020 | 2917 |
| 2021 | 2431 |
| 2022 | 2483 |
| 2023 | 2304 |
| 2024 | 2511 |
| 2025 | 1 |