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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1974 | 3 |
| 1975 | 21 |
| 1976 | 16 |
| 1977 | 18 |
| 1978 | 11 |
| 1979 | 12 |
| 1980 | 5 |
| 1981 | 23 |
| 1982 | 27 |
| 1983 | 47 |
| 1984 | 89 |
| 1985 | 94 |
| 1986 | 159 |
| 1987 | 227 |
| 1988 | 195 |
| 1989 | 204 |
| 1990 | 229 |
| 1991 | 281 |
| 1992 | 272 |
| 1993 | 325 |
| 1994 | 341 |
| 1995 | 335 |
| 1996 | 317 |
| 1997 | 293 |
| 1998 | 347 |
| 1999 | 257 |
| 2000 | 257 |
| 2001 | 251 |
| 2002 | 236 |
| 2003 | 246 |
| 2004 | 283 |
| 2005 | 294 |
| 2006 | 292 |
| 2007 | 276 |
| 2008 | 282 |
| 2009 | 274 |
| 2010 | 263 |
| 2011 | 283 |
| 2012 | 276 |
| 2013 | 299 |
| 2014 | 300 |
| 2015 | 288 |
| 2016 | 299 |
| 2017 | 296 |
| 2018 | 216 |
| 2019 | 237 |
| 2020 | 224 |
| 2021 | 237 |
| 2022 | 190 |
| 2023 | 193 |
| 2024 | 122 |