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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 4 |
| 1956 | 6 |
| 1957 | 4 |
| 1958 | 4 |
| 1959 | 4 |
| 1960 | 1 |
| 1961 | 5 |
| 1962 | 5 |
| 1965 | 2 |
| 1966 | 53 |
| 1967 | 112 |
| 1968 | 232 |
| 1969 | 302 |
| 1970 | 319 |
| 1971 | 386 |
| 1972 | 463 |
| 1973 | 475 |
| 1974 | 488 |
| 1975 | 391 |
| 1976 | 428 |
| 1977 | 422 |
| 1978 | 381 |
| 1979 | 428 |
| 1980 | 386 |
| 1981 | 366 |
| 1982 | 358 |
| 1983 | 377 |
| 1984 | 465 |
| 1985 | 461 |
| 1986 | 410 |
| 1987 | 443 |
| 1988 | 480 |
| 1989 | 479 |
| 1990 | 547 |
| 1991 | 520 |
| 1992 | 462 |
| 1993 | 512 |
| 1994 | 455 |
| 1995 | 455 |
| 1996 | 436 |
| 1997 | 477 |
| 1998 | 382 |
| 1999 | 377 |
| 2000 | 423 |
| 2001 | 371 |
| 2002 | 359 |
| 2003 | 357 |
| 2004 | 343 |
| 2005 | 374 |
| 2006 | 378 |
| 2007 | 368 |
| 2008 | 305 |
| 2009 | 326 |
| 2010 | 300 |
| 2011 | 224 |
| 2012 | 224 |
| 2013 | 214 |
| 2014 | 198 |
| 2015 | 179 |
| 2016 | 157 |
| 2017 | 156 |
| 2018 | 132 |
| 2019 | 149 |
| 2020 | 135 |
| 2021 | 79 |
| 2022 | 15 |
| 2023 | 4 |
| 2024 | 0 |