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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 2 |
| 1947 | 2 |
| 1948 | 1 |
| 1949 | 2 |
| 1951 | 4 |
| 1952 | 19 |
| 1953 | 22 |
| 1954 | 35 |
| 1955 | 15 |
| 1956 | 33 |
| 1957 | 39 |
| 1958 | 35 |
| 1959 | 19 |
| 1960 | 26 |
| 1961 | 30 |
| 1962 | 25 |
| 1963 | 1 |
| 1964 | 21 |
| 1965 | 110 |
| 1966 | 273 |
| 1967 | 341 |
| 1968 | 444 |
| 1969 | 428 |
| 1970 | 472 |
| 1971 | 543 |
| 1972 | 548 |
| 1973 | 537 |
| 1974 | 564 |
| 1975 | 465 |
| 1976 | 354 |
| 1977 | 397 |
| 1978 | 340 |
| 1979 | 344 |
| 1980 | 327 |
| 1981 | 346 |
| 1982 | 330 |
| 1983 | 330 |
| 1984 | 346 |
| 1985 | 341 |
| 1986 | 313 |
| 1987 | 306 |
| 1988 | 332 |
| 1989 | 334 |
| 1990 | 324 |
| 1991 | 337 |
| 1992 | 292 |
| 1993 | 305 |
| 1994 | 277 |
| 1995 | 305 |
| 1996 | 280 |
| 1997 | 297 |
| 1998 | 301 |
| 1999 | 344 |
| 2000 | 386 |
| 2001 | 346 |
| 2002 | 367 |
| 2003 | 354 |
| 2004 | 397 |
| 2005 | 366 |
| 2006 | 374 |
| 2007 | 388 |
| 2008 | 418 |
| 2009 | 431 |
| 2010 | 482 |
| 2011 | 582 |
| 2012 | 551 |
| 2013 | 551 |
| 2014 | 550 |
| 2015 | 493 |
| 2016 | 569 |
| 2017 | 487 |
| 2018 | 418 |
| 2019 | 443 |
| 2020 | 431 |
| 2021 | 344 |
| 2022 | 219 |
| 2023 | 123 |
| 2024 | 40 |