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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1953 | 1 |
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 10 |
| 1958 | 7 |
| 1959 | 3 |
| 1960 | 3 |
| 1961 | 6 |
| 1962 | 2 |
| 1966 | 11 |
| 1967 | 16 |
| 1968 | 18 |
| 1969 | 20 |
| 1970 | 36 |
| 1971 | 26 |
| 1972 | 30 |
| 1973 | 19 |
| 1974 | 30 |
| 1975 | 22 |
| 1976 | 28 |
| 1977 | 33 |
| 1978 | 35 |
| 1979 | 43 |
| 1980 | 41 |
| 1981 | 55 |
| 1982 | 39 |
| 1983 | 55 |
| 1984 | 53 |
| 1985 | 49 |
| 1986 | 53 |
| 1987 | 67 |
| 1988 | 70 |
| 1989 | 99 |
| 1990 | 60 |
| 1991 | 79 |
| 1992 | 81 |
| 1993 | 74 |
| 1994 | 93 |
| 1995 | 102 |
| 1996 | 102 |
| 1997 | 110 |
| 1998 | 104 |
| 1999 | 105 |
| 2000 | 164 |
| 2001 | 134 |
| 2002 | 152 |
| 2003 | 201 |
| 2004 | 194 |
| 2005 | 233 |
| 2006 | 298 |
| 2007 | 305 |
| 2008 | 360 |
| 2009 | 391 |
| 2010 | 426 |
| 2011 | 458 |
| 2012 | 553 |
| 2013 | 605 |
| 2014 | 731 |
| 2015 | 772 |
| 2016 | 706 |
| 2017 | 720 |
| 2018 | 747 |
| 2019 | 719 |
| 2020 | 619 |
| 2021 | 468 |
| 2022 | 85 |
| 2023 | 26 |
| 2024 | 24 |