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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1954 | 1 |
| 1956 | 3 |
| 1962 | 1 |
| 1968 | 3 |
| 1969 | 3 |
| 1970 | 5 |
| 1971 | 5 |
| 1972 | 10 |
| 1973 | 7 |
| 1974 | 11 |
| 1975 | 13 |
| 1976 | 8 |
| 1977 | 8 |
| 1978 | 14 |
| 1979 | 15 |
| 1980 | 13 |
| 1981 | 14 |
| 1982 | 12 |
| 1983 | 18 |
| 1984 | 11 |
| 1985 | 12 |
| 1986 | 18 |
| 1987 | 21 |
| 1988 | 22 |
| 1989 | 22 |
| 1990 | 27 |
| 1991 | 23 |
| 1992 | 27 |
| 1993 | 25 |
| 1994 | 33 |
| 1995 | 50 |
| 1996 | 45 |
| 1997 | 47 |
| 1998 | 45 |
| 1999 | 41 |
| 2000 | 63 |
| 2001 | 79 |
| 2002 | 76 |
| 2003 | 120 |
| 2004 | 111 |
| 2005 | 169 |
| 2006 | 210 |
| 2007 | 292 |
| 2008 | 306 |
| 2009 | 330 |
| 2010 | 381 |
| 2011 | 442 |
| 2012 | 425 |
| 2013 | 470 |
| 2014 | 499 |
| 2015 | 550 |
| 2016 | 564 |
| 2017 | 594 |
| 2018 | 604 |
| 2019 | 595 |
| 2020 | 652 |
| 2021 | 651 |
| 2022 | 603 |
| 2023 | 545 |
| 2024 | 431 |