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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 35 |
| 1977 | 111 |
| 1978 | 135 |
| 1979 | 192 |
| 1980 | 241 |
| 1981 | 302 |
| 1982 | 307 |
| 1983 | 345 |
| 1984 | 368 |
| 1985 | 383 |
| 1986 | 385 |
| 1987 | 411 |
| 1988 | 476 |
| 1989 | 374 |
| 1990 | 339 |
| 1991 | 361 |
| 1992 | 326 |
| 1993 | 337 |
| 1994 | 318 |
| 1995 | 322 |
| 1996 | 283 |
| 1997 | 284 |
| 1998 | 291 |
| 1999 | 294 |
| 2000 | 229 |
| 2001 | 261 |
| 2002 | 261 |
| 2003 | 272 |
| 2004 | 273 |
| 2005 | 254 |
| 2006 | 273 |
| 2007 | 255 |
| 2008 | 257 |
| 2009 | 301 |
| 2010 | 276 |
| 2011 | 314 |
| 2012 | 329 |
| 2013 | 324 |
| 2014 | 290 |
| 2015 | 272 |
| 2016 | 291 |
| 2017 | 239 |
| 2018 | 261 |
| 2019 | 237 |
| 2020 | 201 |
| 2021 | 180 |
| 2022 | 182 |
| 2023 | 122 |
| 2024 | 39 |