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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1914 | 2 |
| 1915 | 1 |
| 1916 | 1 |
| 1919 | 1 |
| 1920 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1926 | 2 |
| 1931 | 1 |
| 1932 | 1 |
| 1935 | 1 |
| 1942 | 1 |
| 1967 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1974 | 1 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 1 |
| 1981 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 3 |
| 1989 | 4 |
| 1990 | 3 |
| 1991 | 4 |
| 1992 | 3 |
| 1995 | 1 |
| 1997 | 3 |
| 1998 | 2 |
| 2000 | 3 |
| 2007 | 1 |
| 2008 | 1 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 2 |