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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 3 |
| 1979 | 5 |
| 1980 | 123 |
| 1981 | 210 |
| 1982 | 245 |
| 1983 | 254 |
| 1984 | 323 |
| 1985 | 385 |
| 1986 | 449 |
| 1987 | 379 |
| 1988 | 349 |
| 1989 | 380 |
| 1990 | 483 |
| 1991 | 494 |
| 1992 | 488 |
| 1993 | 494 |
| 1994 | 515 |
| 1995 | 479 |
| 1996 | 506 |
| 1997 | 436 |
| 1998 | 462 |
| 1999 | 428 |
| 2000 | 412 |
| 2001 | 368 |
| 2002 | 346 |
| 2003 | 384 |
| 2004 | 380 |
| 2005 | 367 |
| 2006 | 424 |
| 2007 | 381 |
| 2008 | 319 |
| 2009 | 335 |
| 2010 | 371 |
| 2011 | 359 |
| 2012 | 369 |
| 2013 | 339 |
| 2014 | 335 |
| 2015 | 358 |
| 2016 | 356 |
| 2017 | 326 |
| 2018 | 282 |
| 2019 | 247 |
| 2020 | 263 |
| 2021 | 235 |
| 2022 | 177 |
| 2023 | 136 |
| 2024 | 160 |
| 2025 | 89 |