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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1951 | 1 |
| 1953 | 2 |
| 1961 | 1 |
| 1965 | 1 |
| 1974 | 1 |
| 1976 | 1 |
| 1977 | 39 |
| 1978 | 118 |
| 1979 | 159 |
| 1980 | 187 |
| 1981 | 216 |
| 1982 | 246 |
| 1983 | 248 |
| 1984 | 235 |
| 1985 | 173 |
| 1986 | 215 |
| 1987 | 204 |
| 1988 | 252 |
| 1989 | 198 |
| 1990 | 310 |
| 1991 | 299 |
| 1992 | 271 |
| 1993 | 336 |
| 1994 | 294 |
| 1995 | 234 |
| 1996 | 284 |
| 1997 | 270 |
| 1998 | 275 |
| 1999 | 353 |
| 2000 | 375 |
| 2001 | 425 |
| 2002 | 381 |
| 2003 | 305 |
| 2004 | 387 |
| 2005 | 408 |
| 2006 | 423 |
| 2007 | 438 |
| 2008 | 473 |
| 2009 | 409 |
| 2010 | 414 |
| 2011 | 308 |
| 2012 | 231 |
| 2013 | 168 |
| 2014 | 197 |
| 2015 | 193 |
| 2016 | 146 |
| 2017 | 143 |
| 2018 | 122 |
| 2019 | 157 |
| 2020 | 146 |
| 2021 | 144 |
| 2022 | 97 |
| 2023 | 95 |
| 2024 | 31 |