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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 3 |
| 1961 | 3 |
| 1962 | 3 |
| 1966 | 5 |
| 1967 | 47 |
| 1968 | 92 |
| 1969 | 110 |
| 1970 | 129 |
| 1971 | 178 |
| 1972 | 185 |
| 1973 | 146 |
| 1974 | 169 |
| 1975 | 142 |
| 1976 | 113 |
| 1977 | 155 |
| 1978 | 125 |
| 1979 | 129 |
| 1980 | 155 |
| 1981 | 171 |
| 1982 | 188 |
| 1983 | 186 |
| 1984 | 272 |
| 1985 | 278 |
| 1986 | 254 |
| 1987 | 270 |
| 1988 | 297 |
| 1989 | 251 |
| 1990 | 308 |
| 1991 | 309 |
| 1992 | 372 |
| 1993 | 410 |
| 1994 | 425 |
| 1995 | 501 |
| 1996 | 480 |
| 1997 | 394 |
| 1998 | 406 |
| 1999 | 340 |
| 2000 | 386 |
| 2001 | 332 |
| 2002 | 293 |
| 2003 | 316 |
| 2004 | 305 |
| 2005 | 322 |
| 2006 | 367 |
| 2007 | 395 |
| 2008 | 332 |
| 2009 | 317 |
| 2010 | 346 |
| 2011 | 344 |
| 2012 | 368 |
| 2013 | 326 |
| 2014 | 318 |
| 2015 | 303 |
| 2016 | 260 |
| 2017 | 267 |
| 2018 | 259 |
| 2019 | 228 |
| 2020 | 181 |
| 2021 | 164 |
| 2022 | 28 |
| 2023 | 11 |
| 2024 | 3 |