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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 47 |
| 1957 | 89 |
| 1958 | 82 |
| 1959 | 58 |
| 1960 | 44 |
| 1961 | 29 |
| 1962 | 25 |
| 1963 | 46 |
| 1964 | 38 |
| 1965 | 57 |
| 1966 | 97 |
| 1967 | 114 |
| 1968 | 113 |
| 1969 | 170 |
| 1970 | 137 |
| 1971 | 216 |
| 1972 | 197 |
| 1973 | 211 |
| 1974 | 220 |
| 1975 | 187 |
| 1976 | 164 |
| 1977 | 175 |
| 1978 | 170 |
| 1979 | 189 |
| 1980 | 159 |
| 1981 | 153 |
| 1982 | 232 |
| 1983 | 234 |
| 1984 | 303 |
| 1985 | 283 |
| 1986 | 311 |
| 1987 | 335 |
| 1988 | 339 |
| 1989 | 332 |
| 1990 | 394 |
| 1991 | 400 |
| 1992 | 446 |
| 1993 | 369 |
| 1994 | 372 |
| 1995 | 359 |
| 1996 | 357 |
| 1997 | 341 |
| 1998 | 323 |
| 1999 | 304 |
| 2000 | 340 |
| 2001 | 336 |
| 2002 | 366 |
| 2003 | 373 |
| 2004 | 340 |
| 2005 | 376 |
| 2006 | 417 |
| 2007 | 367 |
| 2008 | 387 |
| 2009 | 373 |
| 2010 | 417 |
| 2011 | 458 |
| 2012 | 526 |
| 2013 | 451 |
| 2014 | 461 |
| 2015 | 441 |
| 2016 | 384 |
| 2017 | 421 |
| 2018 | 416 |
| 2019 | 426 |
| 2020 | 369 |
| 2021 | 249 |
| 2022 | 105 |
| 2023 | 104 |
| 2024 | 104 |