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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 18 |
| 1967 | 16 |
| 1968 | 21 |
| 1969 | 26 |
| 1970 | 25 |
| 1971 | 24 |
| 1972 | 32 |
| 1973 | 24 |
| 1974 | 35 |
| 1975 | 47 |
| 1976 | 43 |
| 1977 | 57 |
| 1978 | 54 |
| 1979 | 58 |
| 1980 | 54 |
| 1981 | 60 |
| 1982 | 70 |
| 1983 | 99 |
| 1984 | 119 |
| 1985 | 101 |
| 1986 | 95 |
| 1987 | 101 |
| 1988 | 98 |
| 1989 | 108 |
| 1990 | 152 |
| 1991 | 127 |
| 1992 | 148 |
| 1993 | 155 |
| 1994 | 191 |
| 1995 | 201 |
| 1996 | 233 |
| 1997 | 184 |
| 1998 | 157 |
| 1999 | 173 |
| 2000 | 183 |
| 2001 | 195 |
| 2002 | 222 |
| 2003 | 210 |
| 2004 | 195 |
| 2005 | 198 |
| 2006 | 293 |
| 2007 | 349 |
| 2008 | 379 |
| 2009 | 382 |
| 2010 | 460 |
| 2011 | 449 |
| 2012 | 469 |
| 2013 | 436 |
| 2014 | 390 |
| 2015 | 399 |
| 2016 | 359 |
| 2017 | 377 |
| 2018 | 352 |
| 2019 | 326 |
| 2020 | 334 |
| 2021 | 339 |
| 2022 | 285 |
| 2023 | 207 |
| 2024 | 146 |