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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1960 | 1 |
| 1976 | 2 |
| 1977 | 128 |
| 1978 | 275 |
| 1979 | 325 |
| 1980 | 433 |
| 1981 | 457 |
| 1982 | 424 |
| 1983 | 248 |
| 1984 | 248 |
| 1985 | 284 |
| 1986 | 347 |
| 1987 | 289 |
| 1988 | 321 |
| 1989 | 308 |
| 1990 | 366 |
| 1991 | 344 |
| 1992 | 361 |
| 1993 | 327 |
| 1994 | 359 |
| 1995 | 355 |
| 1996 | 298 |
| 1997 | 314 |
| 1998 | 284 |
| 1999 | 214 |
| 2000 | 109 |
| 2001 | 119 |
| 2002 | 115 |
| 2003 | 118 |
| 2004 | 88 |
| 2005 | 107 |
| 2006 | 105 |
| 2007 | 98 |
| 2008 | 87 |
| 2009 | 76 |
| 2010 | 85 |
| 2011 | 83 |
| 2012 | 82 |
| 2013 | 81 |
| 2014 | 77 |
| 2015 | 81 |
| 2016 | 61 |
| 2017 | 51 |
| 2018 | 42 |
| 2019 | 45 |
| 2020 | 53 |
| 2021 | 46 |
| 2022 | 28 |
| 2023 | 11 |
| 2024 | 8 |