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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 6 |
| 1968 | 10 |
| 1969 | 5 |
| 1970 | 11 |
| 1971 | 10 |
| 1972 | 5 |
| 1973 | 9 |
| 1974 | 16 |
| 1975 | 13 |
| 1976 | 12 |
| 1977 | 27 |
| 1978 | 50 |
| 1979 | 60 |
| 1980 | 66 |
| 1981 | 57 |
| 1982 | 92 |
| 1983 | 100 |
| 1984 | 75 |
| 1985 | 95 |
| 1986 | 110 |
| 1987 | 87 |
| 1988 | 96 |
| 1989 | 116 |
| 1990 | 112 |
| 1991 | 174 |
| 1992 | 137 |
| 1993 | 173 |
| 1994 | 138 |
| 1995 | 122 |
| 1996 | 158 |
| 1997 | 187 |
| 1998 | 141 |
| 1999 | 180 |
| 2000 | 136 |
| 2001 | 211 |
| 2002 | 237 |
| 2003 | 263 |
| 2004 | 226 |
| 2005 | 254 |
| 2006 | 301 |
| 2007 | 348 |
| 2008 | 344 |
| 2009 | 305 |
| 2010 | 368 |
| 2011 | 437 |
| 2012 | 413 |
| 2013 | 477 |
| 2014 | 488 |
| 2015 | 524 |
| 2016 | 479 |
| 2017 | 537 |
| 2018 | 514 |
| 2019 | 496 |
| 2020 | 497 |
| 2021 | 209 |
| 2022 | 27 |
| 2023 | 33 |
| 2024 | 498 |
| 2025 | 349 |