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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 36 |
| 1954 | 64 |
| 1955 | 66 |
| 1956 | 42 |
| 1957 | 25 |
| 1958 | 27 |
| 1959 | 9 |
| 1963 | 2 |
| 1964 | 2 |
| 1965 | 22 |
| 1966 | 65 |
| 1967 | 74 |
| 1968 | 86 |
| 1969 | 122 |
| 1970 | 110 |
| 1971 | 105 |
| 1972 | 77 |
| 1973 | 103 |
| 1974 | 111 |
| 1975 | 88 |
| 1976 | 101 |
| 1977 | 100 |
| 1978 | 118 |
| 1979 | 129 |
| 1980 | 129 |
| 1981 | 105 |
| 1982 | 149 |
| 1983 | 154 |
| 1984 | 146 |
| 1985 | 150 |
| 1986 | 146 |
| 1987 | 134 |
| 1988 | 121 |
| 1989 | 149 |
| 1990 | 191 |
| 1991 | 233 |
| 1992 | 232 |
| 1993 | 294 |
| 1994 | 271 |
| 1995 | 361 |
| 1996 | 415 |
| 1997 | 393 |
| 1998 | 439 |
| 1999 | 421 |
| 2000 | 449 |
| 2001 | 463 |
| 2002 | 462 |
| 2003 | 434 |
| 2004 | 419 |
| 2005 | 489 |
| 2006 | 425 |
| 2007 | 439 |
| 2008 | 394 |
| 2009 | 354 |
| 2010 | 384 |
| 2011 | 417 |
| 2012 | 437 |
| 2013 | 453 |
| 2014 | 463 |
| 2015 | 462 |
| 2016 | 420 |
| 2017 | 382 |
| 2018 | 405 |
| 2019 | 433 |
| 2020 | 705 |
| 2021 | 537 |
| 2022 | 379 |
| 2023 | 329 |
| 2024 | 342 |
| 2025 | 288 |
| 2026 | 2 |