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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1878 | 1 |
| 1886 | 1 |
| 1897 | 1 |
| 1898 | 14 |
| 1899 | 4 |
| 1900 | 1 |
| 1903 | 1 |
| 1912 | 1 |
| 1915 | 1 |
| 1947 | 2 |
| 1948 | 1 |
| 1950 | 1 |
| 1954 | 1 |
| 1958 | 1 |
| 1979 | 1 |
| 1981 | 2 |
| 1984 | 1 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 2 |
| 1991 | 3 |
| 1992 | 5 |
| 1993 | 4 |
| 1994 | 2 |
| 1996 | 1 |
| 1997 | 4 |
| 1998 | 2 |
| 1999 | 3 |
| 2001 | 1 |
| 2002 | 1 |
| 2004 | 1 |
| 2006 | 1 |
| 2007 | 3 |
| 2008 | 2 |
| 2009 | 3 |
| 2012 | 2 |
| 2013 | 1 |
| 2015 | 2 |
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 3 |
| 2025 | 4 |