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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 3 |
| 1952 | 3 |
| 1953 | 4 |
| 1954 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 2 |
| 1962 | 2 |
| 1963 | 3 |
| 1964 | 4 |
| 1965 | 2 |
| 1966 | 1 |
| 1968 | 1 |
| 1973 | 1 |
| 1974 | 7 |
| 1975 | 107 |
| 1976 | 204 |
| 1977 | 283 |
| 1978 | 333 |
| 1979 | 417 |
| 1980 | 463 |
| 1981 | 630 |
| 1982 | 539 |
| 1983 | 551 |
| 1984 | 509 |
| 1985 | 562 |
| 1986 | 559 |
| 1987 | 594 |
| 1988 | 674 |
| 1989 | 643 |
| 1990 | 639 |
| 1991 | 650 |
| 1992 | 590 |
| 1993 | 447 |
| 1994 | 479 |
| 1995 | 398 |
| 1996 | 363 |
| 1997 | 305 |
| 1998 | 310 |
| 1999 | 278 |
| 2000 | 246 |
| 2001 | 281 |
| 2002 | 264 |
| 2003 | 241 |
| 2004 | 197 |
| 2005 | 262 |
| 2006 | 255 |
| 2007 | 270 |
| 2008 | 246 |
| 2009 | 250 |
| 2010 | 233 |
| 2011 | 283 |
| 2012 | 253 |
| 2013 | 242 |
| 2014 | 278 |
| 2015 | 242 |
| 2016 | 224 |
| 2017 | 239 |
| 2018 | 216 |
| 2019 | 226 |
| 2020 | 180 |
| 2021 | 152 |
| 2022 | 148 |
| 2023 | 142 |
| 2024 | 35 |