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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1951 | 3 |
| 1952 | 3 |
| 1953 | 3 |
| 1954 | 7 |
| 1955 | 7 |
| 1956 | 2 |
| 1957 | 17 |
| 1958 | 28 |
| 1959 | 25 |
| 1960 | 29 |
| 1961 | 32 |
| 1962 | 31 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 35 |
| 1966 | 142 |
| 1967 | 208 |
| 1968 | 275 |
| 1969 | 258 |
| 1970 | 291 |
| 1971 | 326 |
| 1972 | 323 |
| 1973 | 318 |
| 1974 | 392 |
| 1975 | 344 |
| 1976 | 355 |
| 1977 | 323 |
| 1978 | 370 |
| 1979 | 335 |
| 1980 | 337 |
| 1981 | 338 |
| 1982 | 403 |
| 1983 | 416 |
| 1984 | 384 |
| 1985 | 379 |
| 1986 | 397 |
| 1987 | 411 |
| 1988 | 436 |
| 1989 | 433 |
| 1990 | 428 |
| 1991 | 448 |
| 1992 | 404 |
| 1993 | 383 |
| 1994 | 449 |
| 1995 | 408 |
| 1996 | 381 |
| 1997 | 398 |
| 1998 | 382 |
| 1999 | 357 |
| 2000 | 356 |
| 2001 | 362 |
| 2002 | 429 |
| 2003 | 476 |
| 2004 | 508 |
| 2005 | 538 |
| 2006 | 581 |
| 2007 | 616 |
| 2008 | 696 |
| 2009 | 705 |
| 2010 | 835 |
| 2011 | 1008 |
| 2012 | 1130 |
| 2013 | 1307 |
| 2014 | 1366 |
| 2015 | 1408 |
| 2016 | 1452 |
| 2017 | 1424 |
| 2018 | 1566 |
| 2019 | 1701 |
| 2020 | 2016 |
| 2021 | 2109 |
| 2022 | 2017 |
| 2023 | 1681 |
| 2024 | 615 |