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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1954 | 1 |
| 1964 | 2 |
| 1965 | 3 |
| 1967 | 1 |
| 1973 | 1 |
| 1974 | 23 |
| 1975 | 146 |
| 1976 | 200 |
| 1977 | 157 |
| 1978 | 195 |
| 1979 | 239 |
| 1980 | 211 |
| 1981 | 199 |
| 1982 | 204 |
| 1983 | 182 |
| 1984 | 199 |
| 1985 | 196 |
| 1986 | 202 |
| 1987 | 157 |
| 1988 | 189 |
| 1989 | 166 |
| 1990 | 153 |
| 1991 | 179 |
| 1992 | 163 |
| 1993 | 163 |
| 1994 | 163 |
| 1995 | 231 |
| 1996 | 344 |
| 1997 | 391 |
| 1998 | 368 |
| 1999 | 363 |
| 2000 | 374 |
| 2001 | 354 |
| 2002 | 356 |
| 2003 | 354 |
| 2004 | 325 |
| 2005 | 334 |
| 2006 | 324 |
| 2007 | 352 |
| 2008 | 373 |
| 2009 | 349 |
| 2010 | 289 |
| 2011 | 245 |
| 2012 | 227 |
| 2013 | 218 |
| 2014 | 191 |
| 2015 | 172 |
| 2016 | 170 |
| 2017 | 147 |
| 2018 | 132 |
| 2019 | 100 |
| 2020 | 98 |
| 2021 | 73 |
| 2022 | 78 |
| 2023 | 45 |
| 2024 | 18 |