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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 2 |
| 1971 | 3 |
| 1972 | 31 |
| 1973 | 64 |
| 1974 | 88 |
| 1975 | 54 |
| 1976 | 58 |
| 1977 | 46 |
| 1978 | 64 |
| 1979 | 87 |
| 1980 | 86 |
| 1981 | 76 |
| 1982 | 99 |
| 1983 | 104 |
| 1984 | 63 |
| 1985 | 75 |
| 1986 | 102 |
| 1987 | 125 |
| 1988 | 125 |
| 1989 | 182 |
| 1990 | 230 |
| 1991 | 219 |
| 1992 | 246 |
| 1993 | 247 |
| 1994 | 277 |
| 1995 | 295 |
| 1996 | 305 |
| 1997 | 329 |
| 1998 | 395 |
| 1999 | 367 |
| 2000 | 341 |
| 2001 | 380 |
| 2002 | 332 |
| 2003 | 363 |
| 2004 | 395 |
| 2005 | 423 |
| 2006 | 393 |
| 2007 | 427 |
| 2008 | 354 |
| 2009 | 382 |
| 2010 | 358 |
| 2011 | 333 |
| 2012 | 381 |
| 2013 | 397 |
| 2014 | 359 |
| 2015 | 332 |
| 2016 | 392 |
| 2017 | 340 |
| 2018 | 329 |
| 2019 | 331 |
| 2020 | 315 |
| 2021 | 198 |
| 2022 | 107 |
| 2023 | 87 |
| 2024 | 32 |