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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1885 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1930 | 1 |
| 1933 | 1 |
| 1937 | 1 |
| 1940 | 2 |
| 1942 | 1 |
| 1947 | 2 |
| 1948 | 1 |
| 1950 | 3 |
| 1954 | 3 |
| 1955 | 2 |
| 1956 | 1 |
| 1957 | 1 |
| 1963 | 1 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 1 |
| 1981 | 2 |
| 1991 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 4 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 2 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2008 | 1 |
| 2009 | 2 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2023 | 2 |