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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 5 |
| 1951 | 8 |
| 1952 | 13 |
| 1953 | 18 |
| 1954 | 15 |
| 1955 | 30 |
| 1956 | 13 |
| 1957 | 9 |
| 1958 | 7 |
| 1959 | 6 |
| 1960 | 8 |
| 1961 | 8 |
| 1962 | 8 |
| 1963 | 12 |
| 1964 | 16 |
| 1965 | 32 |
| 1966 | 38 |
| 1967 | 33 |
| 1968 | 68 |
| 1969 | 75 |
| 1970 | 56 |
| 1971 | 83 |
| 1972 | 113 |
| 1973 | 129 |
| 1974 | 156 |
| 1975 | 206 |
| 1976 | 152 |
| 1977 | 128 |
| 1978 | 197 |
| 1979 | 214 |
| 1980 | 161 |
| 1981 | 135 |
| 1982 | 145 |
| 1983 | 170 |
| 1984 | 151 |
| 1985 | 131 |
| 1986 | 157 |
| 1987 | 191 |
| 1988 | 235 |
| 1989 | 279 |
| 1990 | 303 |
| 1991 | 356 |
| 1992 | 361 |
| 1993 | 398 |
| 1994 | 465 |
| 1995 | 495 |
| 1996 | 513 |
| 1997 | 598 |
| 1998 | 641 |
| 1999 | 503 |
| 2000 | 518 |
| 2001 | 555 |
| 2002 | 551 |
| 2003 | 568 |
| 2004 | 644 |
| 2005 | 622 |
| 2006 | 612 |
| 2007 | 581 |
| 2008 | 537 |
| 2009 | 594 |
| 2010 | 613 |
| 2011 | 551 |
| 2012 | 580 |
| 2013 | 541 |
| 2014 | 537 |
| 2015 | 534 |
| 2016 | 584 |
| 2017 | 509 |
| 2018 | 428 |
| 2019 | 417 |
| 2020 | 455 |
| 2021 | 405 |
| 2022 | 335 |
| 2023 | 308 |
| 2024 | 311 |
| 2025 | 154 |