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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1941 | 1 |
| 1947 | 1 |
| 1952 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1960 | 1 |
| 1964 | 4 |
| 1967 | 1 |
| 1970 | 1 |
| 1972 | 1 |
| 1973 | 2 |
| 1975 | 1 |
| 1977 | 1 |
| 1981 | 3 |
| 1982 | 2 |
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 3 |
| 1987 | 2 |
| 1988 | 1 |
| 1990 | 2 |
| 1991 | 1 |
| 1992 | 3 |
| 1993 | 1 |
| 1995 | 4 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 2 |
| 2000 | 3 |
| 2002 | 3 |
| 2003 | 2 |
| 2004 | 3 |
| 2006 | 1 |
| 2007 | 2 |
| 2008 | 3 |
| 2010 | 1 |
| 2011 | 1 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 4 |