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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1954 | 2 |
| 1956 | 1 |
| 1957 | 3 |
| 1958 | 5 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 4 |
| 1963 | 13 |
| 1964 | 6 |
| 1965 | 5 |
| 1969 | 2 |
| 1970 | 3 |
| 1971 | 16 |
| 1972 | 140 |
| 1973 | 146 |
| 1974 | 208 |
| 1975 | 205 |
| 1976 | 203 |
| 1977 | 255 |
| 1978 | 383 |
| 1979 | 467 |
| 1980 | 581 |
| 1981 | 613 |
| 1982 | 711 |
| 1983 | 659 |
| 1984 | 537 |
| 1985 | 381 |
| 1986 | 359 |
| 1987 | 337 |
| 1988 | 309 |
| 1989 | 329 |
| 1990 | 372 |
| 1991 | 319 |
| 1992 | 330 |
| 1993 | 320 |
| 1994 | 282 |
| 1995 | 310 |
| 1996 | 324 |
| 1997 | 307 |
| 1998 | 292 |
| 1999 | 306 |
| 2000 | 307 |
| 2001 | 355 |
| 2002 | 292 |
| 2003 | 311 |
| 2004 | 344 |
| 2005 | 347 |
| 2006 | 391 |
| 2007 | 382 |
| 2008 | 335 |
| 2009 | 362 |
| 2010 | 467 |
| 2011 | 529 |
| 2012 | 517 |
| 2013 | 535 |
| 2014 | 586 |
| 2015 | 603 |
| 2016 | 602 |
| 2017 | 517 |
| 2018 | 410 |
| 2019 | 382 |
| 2020 | 356 |
| 2021 | 325 |
| 2022 | 443 |
| 2023 | 330 |
| 2024 | 116 |