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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 36 |
| 1970 | 45 |
| 1971 | 45 |
| 1972 | 41 |
| 1973 | 70 |
| 1974 | 63 |
| 1975 | 54 |
| 1976 | 70 |
| 1977 | 72 |
| 1978 | 71 |
| 1979 | 94 |
| 1980 | 101 |
| 1981 | 120 |
| 1982 | 143 |
| 1983 | 163 |
| 1984 | 182 |
| 1985 | 200 |
| 1986 | 227 |
| 1987 | 215 |
| 1988 | 262 |
| 1989 | 272 |
| 1990 | 312 |
| 1991 | 316 |
| 1992 | 306 |
| 1993 | 297 |
| 1994 | 266 |
| 1995 | 275 |
| 1996 | 350 |
| 1997 | 342 |
| 1998 | 323 |
| 1999 | 432 |
| 2000 | 281 |
| 2001 | 254 |
| 2002 | 247 |
| 2003 | 313 |
| 2004 | 321 |
| 2005 | 451 |
| 2006 | 526 |
| 2007 | 526 |
| 2008 | 460 |
| 2009 | 429 |
| 2010 | 478 |
| 2011 | 485 |
| 2012 | 457 |
| 2013 | 518 |
| 2014 | 463 |
| 2015 | 476 |
| 2016 | 452 |
| 2017 | 436 |
| 2018 | 397 |
| 2019 | 397 |
| 2020 | 409 |
| 2021 | 401 |
| 2022 | 399 |
| 2023 | 397 |
| 2024 | 200 |