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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 5 |
| 1964 | 8 |
| 1965 | 2 |
| 1967 | 2 |
| 1972 | 1 |
| 1976 | 1 |
| 1981 | 1 |
| 1985 | 45 |
| 1986 | 148 |
| 1987 | 224 |
| 1988 | 196 |
| 1989 | 167 |
| 1990 | 177 |
| 1991 | 208 |
| 1992 | 215 |
| 1993 | 267 |
| 1994 | 307 |
| 1995 | 309 |
| 1996 | 310 |
| 1997 | 288 |
| 1998 | 308 |
| 1999 | 332 |
| 2000 | 329 |
| 2001 | 281 |
| 2002 | 236 |
| 2003 | 271 |
| 2004 | 238 |
| 2005 | 263 |
| 2006 | 262 |
| 2007 | 272 |
| 2008 | 289 |
| 2009 | 287 |
| 2010 | 273 |
| 2011 | 297 |
| 2012 | 267 |
| 2013 | 235 |
| 2014 | 239 |
| 2015 | 234 |
| 2016 | 216 |
| 2017 | 178 |
| 2018 | 188 |
| 2019 | 170 |
| 2020 | 186 |
| 2021 | 179 |
| 2022 | 123 |
| 2023 | 109 |
| 2024 | 59 |