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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 12 |
| 1948 | 1 |
| 1951 | 3 |
| 1952 | 17 |
| 1953 | 169 |
| 1954 | 155 |
| 1955 | 169 |
| 1956 | 147 |
| 1957 | 154 |
| 1958 | 139 |
| 1959 | 69 |
| 1963 | 1 |
| 1964 | 4 |
| 1965 | 184 |
| 1966 | 284 |
| 1967 | 311 |
| 1968 | 339 |
| 1969 | 381 |
| 1970 | 285 |
| 1971 | 332 |
| 1972 | 304 |
| 1973 | 340 |
| 1974 | 367 |
| 1975 | 381 |
| 1976 | 403 |
| 1977 | 420 |
| 1978 | 415 |
| 1979 | 378 |
| 1980 | 348 |
| 1981 | 425 |
| 1982 | 413 |
| 1983 | 408 |
| 1984 | 415 |
| 1985 | 449 |
| 1986 | 410 |
| 1987 | 390 |
| 1988 | 356 |
| 1989 | 427 |
| 1990 | 399 |
| 1991 | 362 |
| 1992 | 379 |
| 1993 | 360 |
| 1994 | 341 |
| 1995 | 362 |
| 1996 | 357 |
| 1997 | 426 |
| 1998 | 397 |
| 1999 | 373 |
| 2000 | 353 |
| 2001 | 371 |
| 2002 | 381 |
| 2003 | 513 |
| 2004 | 523 |
| 2005 | 537 |
| 2006 | 453 |
| 2007 | 504 |
| 2008 | 502 |
| 2009 | 580 |
| 2010 | 521 |
| 2011 | 567 |
| 2012 | 520 |
| 2013 | 479 |
| 2014 | 433 |
| 2015 | 415 |
| 2016 | 367 |
| 2017 | 347 |
| 2018 | 301 |
| 2019 | 267 |
| 2020 | 271 |
| 2021 | 161 |
| 2022 | 29 |
| 2023 | 15 |
| 2024 | 15 |