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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1977 | 21 |
| 1978 | 33 |
| 1979 | 32 |
| 1980 | 39 |
| 1981 | 39 |
| 1982 | 59 |
| 1983 | 67 |
| 1984 | 87 |
| 1985 | 78 |
| 1986 | 79 |
| 1987 | 105 |
| 1988 | 120 |
| 1989 | 170 |
| 1990 | 181 |
| 1991 | 201 |
| 1992 | 190 |
| 1993 | 189 |
| 1994 | 199 |
| 1995 | 212 |
| 1996 | 165 |
| 1997 | 188 |
| 1998 | 217 |
| 1999 | 171 |
| 2000 | 237 |
| 2001 | 271 |
| 2002 | 252 |
| 2003 | 291 |
| 2004 | 324 |
| 2005 | 298 |
| 2006 | 411 |
| 2007 | 314 |
| 2008 | 319 |
| 2009 | 320 |
| 2010 | 317 |
| 2011 | 408 |
| 2012 | 412 |
| 2013 | 374 |
| 2014 | 340 |
| 2015 | 378 |
| 2016 | 283 |
| 2017 | 291 |
| 2018 | 250 |
| 2019 | 268 |
| 2020 | 235 |
| 2021 | 216 |
| 2022 | 203 |
| 2023 | 179 |
| 2024 | 55 |