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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 3 |
| 1951 | 2 |
| 1955 | 2 |
| 1957 | 1 |
| 1963 | 2 |
| 1964 | 1 |
| 1966 | 1 |
| 1967 | 4 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 3 |
| 1972 | 1 |
| 1975 | 4 |
| 1976 | 4 |
| 1977 | 1 |
| 1979 | 4 |
| 1982 | 1 |
| 1983 | 2 |
| 1984 | 2 |
| 1985 | 2 |
| 1986 | 1 |
| 1987 | 1 |
| 1989 | 1 |
| 1992 | 1 |
| 1994 | 1 |
| 1999 | 2 |
| 2000 | 2 |
| 2001 | 10 |
| 2002 | 12 |
| 2003 | 19 |
| 2004 | 10 |
| 2005 | 13 |
| 2006 | 12 |
| 2007 | 5 |
| 2009 | 1 |
| 2013 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 1 |