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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 6 |
| 1953 | 2 |
| 1956 | 1 |
| 1957 | 4 |
| 1958 | 2 |
| 1959 | 3 |
| 1960 | 3 |
| 1961 | 10 |
| 1962 | 16 |
| 1963 | 11 |
| 1964 | 11 |
| 1965 | 11 |
| 1973 | 3 |
| 1975 | 24 |
| 1976 | 22 |
| 1977 | 38 |
| 1978 | 52 |
| 1979 | 58 |
| 1980 | 50 |
| 1981 | 42 |
| 1982 | 36 |
| 1983 | 33 |
| 1984 | 29 |
| 1985 | 37 |
| 1986 | 35 |
| 1987 | 50 |
| 1988 | 71 |
| 1989 | 102 |
| 1990 | 157 |
| 1991 | 182 |
| 1992 | 286 |
| 1993 | 281 |
| 1994 | 269 |
| 1995 | 224 |
| 1996 | 234 |
| 1997 | 279 |
| 1998 | 334 |
| 1999 | 326 |
| 2000 | 325 |
| 2001 | 423 |
| 2002 | 483 |
| 2003 | 608 |
| 2004 | 652 |
| 2005 | 647 |
| 2006 | 644 |
| 2007 | 611 |
| 2008 | 743 |
| 2009 | 691 |
| 2010 | 780 |
| 2011 | 791 |
| 2012 | 862 |
| 2013 | 894 |
| 2014 | 920 |
| 2015 | 859 |
| 2016 | 843 |
| 2017 | 721 |
| 2018 | 728 |
| 2019 | 726 |
| 2020 | 571 |
| 2021 | 542 |
| 2022 | 419 |
| 2023 | 427 |
| 2024 | 119 |