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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 8 |
| 1953 | 66 |
| 1954 | 73 |
| 1955 | 79 |
| 1956 | 69 |
| 1957 | 106 |
| 1958 | 57 |
| 1959 | 76 |
| 1960 | 65 |
| 1961 | 68 |
| 1962 | 45 |
| 1964 | 13 |
| 1965 | 145 |
| 1966 | 238 |
| 1967 | 281 |
| 1968 | 342 |
| 1969 | 358 |
| 1970 | 369 |
| 1971 | 395 |
| 1972 | 442 |
| 1973 | 496 |
| 1974 | 538 |
| 1975 | 458 |
| 1976 | 417 |
| 1977 | 431 |
| 1978 | 401 |
| 1979 | 401 |
| 1980 | 381 |
| 1981 | 396 |
| 1982 | 351 |
| 1983 | 367 |
| 1984 | 371 |
| 1985 | 352 |
| 1986 | 391 |
| 1987 | 385 |
| 1988 | 386 |
| 1989 | 347 |
| 1990 | 367 |
| 1991 | 306 |
| 1992 | 338 |
| 1993 | 316 |
| 1994 | 288 |
| 1995 | 317 |
| 1996 | 329 |
| 1997 | 323 |
| 1998 | 313 |
| 1999 | 329 |
| 2000 | 374 |
| 2001 | 356 |
| 2002 | 396 |
| 2003 | 367 |
| 2004 | 401 |
| 2005 | 411 |
| 2006 | 420 |
| 2007 | 398 |
| 2008 | 394 |
| 2009 | 413 |
| 2010 | 377 |
| 2011 | 404 |
| 2012 | 406 |
| 2013 | 415 |
| 2014 | 437 |
| 2015 | 453 |
| 2016 | 414 |
| 2017 | 373 |
| 2018 | 322 |
| 2019 | 330 |
| 2020 | 316 |
| 2021 | 231 |
| 2022 | 219 |
| 2023 | 215 |
| 2024 | 215 |
| 2025 | 11 |