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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 5 |
| 1962 | 10 |
| 1964 | 2 |
| 1965 | 42 |
| 1966 | 71 |
| 1967 | 86 |
| 1968 | 81 |
| 1969 | 88 |
| 1970 | 96 |
| 1971 | 100 |
| 1972 | 106 |
| 1973 | 91 |
| 1974 | 119 |
| 1975 | 118 |
| 1976 | 128 |
| 1977 | 122 |
| 1978 | 178 |
| 1979 | 144 |
| 1980 | 188 |
| 1981 | 184 |
| 1982 | 189 |
| 1983 | 251 |
| 1984 | 258 |
| 1985 | 243 |
| 1986 | 239 |
| 1987 | 289 |
| 1988 | 290 |
| 1989 | 313 |
| 1990 | 341 |
| 1991 | 334 |
| 1992 | 363 |
| 1993 | 360 |
| 1994 | 413 |
| 1995 | 410 |
| 1996 | 400 |
| 1997 | 405 |
| 1998 | 365 |
| 1999 | 384 |
| 2000 | 320 |
| 2001 | 345 |
| 2002 | 379 |
| 2003 | 391 |
| 2004 | 377 |
| 2005 | 380 |
| 2006 | 426 |
| 2007 | 383 |
| 2008 | 420 |
| 2009 | 416 |
| 2010 | 420 |
| 2011 | 437 |
| 2012 | 423 |
| 2013 | 511 |
| 2014 | 518 |
| 2015 | 588 |
| 2016 | 540 |
| 2017 | 519 |
| 2018 | 537 |
| 2019 | 539 |
| 2020 | 437 |
| 2021 | 333 |
| 2022 | 82 |
| 2023 | 64 |
| 2024 | 404 |
| 2025 | 3 |