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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1964 | 2 |
| 1965 | 5 |
| 1966 | 96 |
| 1967 | 150 |
| 1968 | 187 |
| 1969 | 219 |
| 1970 | 237 |
| 1971 | 269 |
| 1972 | 311 |
| 1973 | 267 |
| 1974 | 351 |
| 1975 | 295 |
| 1976 | 249 |
| 1977 | 345 |
| 1978 | 380 |
| 1979 | 414 |
| 1980 | 372 |
| 1981 | 425 |
| 1982 | 439 |
| 1983 | 460 |
| 1984 | 499 |
| 1985 | 531 |
| 1986 | 551 |
| 1987 | 480 |
| 1988 | 460 |
| 1989 | 465 |
| 1990 | 414 |
| 1991 | 434 |
| 1992 | 402 |
| 1993 | 403 |
| 1994 | 392 |
| 1995 | 368 |
| 1996 | 368 |
| 1997 | 434 |
| 1998 | 436 |
| 1999 | 444 |
| 2000 | 397 |
| 2001 | 441 |
| 2002 | 428 |
| 2003 | 467 |
| 2004 | 445 |
| 2005 | 457 |
| 2006 | 389 |
| 2007 | 484 |
| 2008 | 453 |
| 2009 | 536 |
| 2010 | 556 |
| 2011 | 565 |
| 2012 | 565 |
| 2013 | 526 |
| 2014 | 486 |
| 2015 | 566 |
| 2016 | 851 |
| 2017 | 984 |
| 2018 | 965 |
| 2019 | 876 |
| 2020 | 803 |
| 2021 | 726 |
| 2022 | 577 |
| 2023 | 505 |
| 2024 | 141 |