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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1948 | 1 |
| 1952 | 3 |
| 1953 | 2 |
| 1954 | 2 |
| 1956 | 1 |
| 1965 | 1 |
| 1966 | 7 |
| 1967 | 13 |
| 1968 | 17 |
| 1969 | 21 |
| 1970 | 15 |
| 1971 | 22 |
| 1972 | 31 |
| 1973 | 37 |
| 1974 | 52 |
| 1975 | 36 |
| 1976 | 22 |
| 1977 | 37 |
| 1978 | 41 |
| 1979 | 41 |
| 1980 | 53 |
| 1981 | 52 |
| 1982 | 54 |
| 1983 | 70 |
| 1984 | 70 |
| 1985 | 63 |
| 1986 | 54 |
| 1987 | 74 |
| 1988 | 69 |
| 1989 | 79 |
| 1990 | 69 |
| 1991 | 102 |
| 1992 | 103 |
| 1993 | 93 |
| 1994 | 120 |
| 1995 | 113 |
| 1996 | 86 |
| 1997 | 102 |
| 1998 | 115 |
| 1999 | 124 |
| 2000 | 129 |
| 2001 | 189 |
| 2002 | 195 |
| 2003 | 251 |
| 2004 | 249 |
| 2005 | 340 |
| 2006 | 468 |
| 2007 | 559 |
| 2008 | 519 |
| 2009 | 652 |
| 2010 | 617 |
| 2011 | 596 |
| 2012 | 711 |
| 2013 | 730 |
| 2014 | 729 |
| 2015 | 662 |
| 2016 | 686 |
| 2017 | 735 |
| 2018 | 640 |
| 2019 | 675 |
| 2020 | 561 |
| 2021 | 325 |
| 2022 | 33 |
| 2023 | 7 |
| 2024 | 2 |