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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 2 |
| 1963 | 1 |
| 1965 | 2 |
| 1970 | 2 |
| 1971 | 62 |
| 1972 | 207 |
| 1973 | 345 |
| 1974 | 480 |
| 1975 | 588 |
| 1976 | 589 |
| 1977 | 569 |
| 1978 | 564 |
| 1979 | 733 |
| 1980 | 717 |
| 1981 | 736 |
| 1982 | 789 |
| 1983 | 714 |
| 1984 | 651 |
| 1985 | 630 |
| 1986 | 687 |
| 1987 | 582 |
| 1988 | 507 |
| 1989 | 505 |
| 1990 | 485 |
| 1991 | 503 |
| 1992 | 413 |
| 1993 | 378 |
| 1994 | 343 |
| 1995 | 349 |
| 1996 | 316 |
| 1997 | 309 |
| 1998 | 332 |
| 1999 | 260 |
| 2000 | 289 |
| 2001 | 274 |
| 2002 | 191 |
| 2003 | 215 |
| 2004 | 229 |
| 2005 | 251 |
| 2006 | 227 |
| 2007 | 193 |
| 2008 | 187 |
| 2009 | 196 |
| 2010 | 171 |
| 2011 | 192 |
| 2012 | 182 |
| 2013 | 181 |
| 2014 | 157 |
| 2015 | 152 |
| 2016 | 123 |
| 2017 | 126 |
| 2018 | 126 |
| 2019 | 119 |
| 2020 | 94 |
| 2021 | 69 |
| 2022 | 69 |
| 2023 | 54 |
| 2024 | 60 |